40 files changed, 0 insertions, 4001 deletions

diff --git a/U/Extensions.U b/U/Extensions.U
deleted file mode 100644
index ec14205ac1..0000000000
--- a/U/Extensions.U
+++ /dev/null
@@ -1,71 +0,0 @@
-?RCS: $Id: Extensions.U,v$
-?RCS:
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: Extensions.U,v $
-?RCS:
-?MAKE:extensions : find Myread i_dbm i_ndbm i_gdbm i_sdbm
-?MAKE:	-pick add $@ %<
-?S:extensions:
-?S:	This variable holds a list of extension files we want to
-?S:	include in perl.  
-?S:.
-?T:xxx
-?INIT:: List of extensions we want:
-?INIT:extensions=''
-?X: 
-case "$extensions" in
-' '|'') echo "Looking for extensions..."
-	case "$find" in
-		*find*) 
-		cd ..
-		extensions=`$find ext -type f -name \*.xs -print`
-		set X $extensions
-		shift
-		extensions="$*"
-		cd UU
-		;;
-	*)	extensions='ext/dbm/NDBM_File.xs ext/dbm/ODBM_File.xs ext/dbm/GDBM_File.xs ext/dbm/SDBM_File.xs ext/posix/POSIX.xs'
-		;;
-	esac
-	;;
-none)	extensions='' ;;
-*)	;;
-esac
-: Now see which are supported on this system.
-dflt=""
-for xxx in $extensions ; do
-    case "$xxx" in
-    *ODBM*) case "$i_dbm" in 
-	    define) dflt="$dflt $xxx" ;;
-	    *) ;;
-	    esac
-	    ;;
-    *NDBM*) case "$i_ndbm" in 
-	    define) dflt="$dflt $xxx" ;;
-	    *) ;;
-	    esac
-	    ;;
-    *GDBM*) case "$i_gdbm" in 
-	    define) dflt="$dflt $xxx" ;;
-	    *) ;;
-	    esac
-	    ;;
-    *SDBM*) case "$i_sdbm" in 
-	    define) dflt="$dflt $xxx" ;;
-	    *) ;;
-	    esac
-	    ;;
-    *)      dflt="$dflt $xxx"
-	    ;;
-    esac
-done
-
-rp="What extensions do you wish to include?"
-. ./myread
-extensions="$ans"
-
diff --git a/U/Guess.U b/U/Guess.U
deleted file mode 100644
index c7566db87b..0000000000
--- a/U/Guess.U
+++ /dev/null
@@ -1,153 +0,0 @@
-?RCS: $Id: Guess.U,v 3.0.1.3 1993/12/15 08:14:35 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: Guess.U,v $
-?RCS: Revision 3.0.1.3  1993/12/15  08:14:35  ram
-?RCS: patch15: variable d_bsd was not always set properly
-?RCS:
-?RCS: Revision 3.0.1.2  1993/08/30  08:57:14  ram
-?RCS: patch8: fixed comment which wrongly attributed the usrinc symbol
-?RCS: patch8: no more ugly messages when no /usr/include/ctype.h
-?RCS:
-?RCS: Revision 3.0.1.1  1993/08/27  14:37:37  ram
-?RCS: patch7: added support for OSF/1 machines
-?RCS:
-?RCS: Revision 3.0  1993/08/18  12:04:57  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?X: 
-?X: This unit hazards some guesses as to what the general nature of the system
-?X: is.  The information it collects here is used primarily to establish default
-?X: answers to other questions.
-?X: 
-?MAKE:Guess d_eunice d_xenix: cat test echo n c contains rm Loc eunicefix
-?MAKE:	-pick add $@ %<
-?S:d_eunice:
-?S:	This variable conditionally defines the symbols EUNICE and VAX, which
-?S:	alerts the C program that it must deal with ideosyncracies of VMS.
-?S:.
-?S:d_xenix:
-?S:	This variable conditionally defines the symbol XENIX, which alerts
-?S:	the C program that it runs under Xenix.
-?S:.
-?X:We don't use BSD in the source.  It's too vague, and often defined
-?X:in header files anyway (e.g. NetBSD).
-?X:?S:d_bsd:
-?X:?S:	This symbol conditionally defines the symbol BSD when running on a
-?X:?S:	BSD system.
-?X:?S:.
-?C:EUNICE:
-?C:	This symbol, if defined, indicates that the program is being compiled
-?C:	under the EUNICE package under VMS.  The program will need to handle
-?C:	things like files that don't go away the first time you unlink them,
-?C:	due to version numbering.  It will also need to compensate for lack
-?C:	of a respectable link() command.
-?C:.
-?C:VMS:
-?C:	This symbol, if defined, indicates that the program is running under
-?C:	VMS.  It is currently only set in conjunction with the EUNICE symbol.
-?C:.
-?C:XENIX:
-?C:	This symbol, if defined, indicates thet the program is running under
-?C:	Xenix (at least 3.0 ?).
-?C:.
-?X:We don't use BSD in the source.  It's too vague.
-?X:?C:BSD:
-?X:?C:	This symbol, if defined, indicates that the program is running under
-?X:?C:	a BSD system.
-?X:?C:.
-?H:#$d_eunice EUNICE		/**/
-?H:#$d_eunice VMS		/**/
-?H:#$d_xenix XENIX		/**/
-?X:?H:#$d_bsd BSD		/**/
-?H:.
-?T:xxx
-: make some quick guesses about what we are up against
-echo " "
-$echo $n "Hmm...  $c"
-echo exit 1 >bsd
-echo exit 1 >usg
-echo exit 1 >v7
-echo exit 1 >osf1
-echo exit 1 >eunice
-echo exit 1 >xenix
-echo exit 1 >venix
-?X:
-?X: Do not use 'usrinc', or we get a circular dependency. because
-?X: usrinc is defined in usrinc.U, which relies on us...
-?X:
-$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null
-if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1
-then
-	echo "Looks kind of like an OSF/1 system, but we'll see..."
-	echo exit 0 >osf1
-elif test `echo abc | tr a-z A-Z` = Abc ; then
-	xxx=`./loc addbib blurfl $pth`
-	if $test -f $xxx; then
-	echo "Looks kind of like a USG system with BSD features, but we'll see..."
-		echo exit 0 >bsd
-		echo exit 0 >usg
-	else
-		if $contains SIGTSTP foo >/dev/null 2>&1 ; then
-			echo "Looks kind of like an extended USG system, but we'll see..."
-		else
-			echo "Looks kind of like a USG system, but we'll see..."
-		fi
-		echo exit 0 >usg
-	fi
-elif $contains SIGTSTP foo >/dev/null 2>&1 ; then
-	echo "Looks kind of like a BSD system, but we'll see..."
-	echo exit 0 >bsd
-else
-	echo "Looks kind of like a Version 7 system, but we'll see..."
-	echo exit 0 >v7
-fi
-case "$eunicefix" in
-*unixtovms*)
-	$cat <<'EOI'
-There is, however, a strange, musty smell in the air that reminds me of
-something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit.
-EOI
-	echo exit 0 >eunice
-	d_eunice="$define"
-: it so happens the Eunice I know will not run shell scripts in Unix format
-	;;
-*)
-	echo " "
-	echo "Congratulations.  You aren't running Eunice."
-	d_eunice="$undef"
-	;;
-esac
-if test -f /xenix; then
-	echo "Actually, this looks more like a XENIX system..."
-	echo exit 0 >xenix
-	d_xenix="$define"
-else
-	echo " "
-	echo "It's not Xenix..."
-	d_xenix="$undef"
-fi
-chmod +x xenix
-$eunicefix xenix
-if test -f /venix; then
-	echo "Actually, this looks more like a VENIX system..."
-	echo exit 0 >venix
-else
-	echo " "
-	if xenix; then
-		: null
-	else
-		echo "Nor is it Venix..."
-	fi
-fi
-chmod +x bsd usg v7 osf1 eunice xenix venix
-$eunicefix bsd usg v7 osf1 eunice xenix venix
-$rm -f foo
-
diff --git a/U/Loc.U b/U/Loc.U
deleted file mode 100644
index fcb7a64403..0000000000
--- a/U/Loc.U
+++ /dev/null
@@ -1,252 +0,0 @@
-?RCS: $Id: Loc.U,v 3.0.1.3 1994/01/24 14:01:44 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS: $Log: Loc.U,v $
-?RCS: Revision 3.0.1.3  1994/01/24  14:01:44  ram
-?RCS: patch16: added metalint hint on changed PATH variable
-?RCS:
-?RCS: Revision 3.0.1.2  1993/12/15  08:16:52  ram
-?RCS: patch15: now set _test variable when test is built-in
-?RCS: patch15: fixed rare cases where echo is not needed
-?RCS:
-?RCS: Revision 3.0.1.1  1993/09/13  15:47:13  ram
-?RCS: patch10: test program not always in /bin/test (WAD)
-?RCS:
-?RCS: Revision 3.0  1993/08/18  12:05:05  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?X: 
-?X: This unit produces a shell script "loc" which can be used to find out
-?X: where in a list of directories something is.  It then uses loc to
-?X: determine the location of commonly used programs.  It leaves loc sitting
-?X: around for other Configure units to use, but arranges for its demise
-?X: at the end of Configure.
-?X: 
-?X: To add a new program to find, add it both to the ?MAKE: line and to either
-?X: the loclist or trylist variable.
-?X: 
-?X: I put startsh at the end of the dependency list, in order to avoid the
-?X: loading of the spitshell unit before the instructions.
-?X:
-?MAKE:Loc Mcc awk bash bison byacc cat chgrp chmod chown compress cp cpio \
-	cpp csh date echo egrep emacs expr find flex gcc grep inews ksh \
-	less line lint ln lp lpr ls mail mailx make mkdir more mv nroff \
-	perl pg pmake pr rm rmail sed sendmail sh shar sleep smail sort \
-	submit tail tar tbl test touch tr troff uname uniq uuname vi \
-	zcat: eunicefix n c Instruct Myread startsh
-?MAKE:	-pick weed $@ %<
-?LINT:describe Loc Mcc awk bash bison byacc cat chgrp chmod chown compress \
-	cp cpio cpp csh date echo egrep emacs expr find flex gcc grep \
-	inews ksh less line lint ln lp lpr ls mail mailx make mkdir more \
-	mv nroff perl pg pmake pr rm rmail sed sendmail sh shar sleep \
-	smail sort submit tail tar tbl test touch tr troff uname uniq \
-	uuname vi zcat
-?V::pth loclist trylist
-?T:thing xxx dir file say _test
-?LINT:change PATH
-: find out where common programs are
-echo " "
-echo "Locating common programs..." >&4
-cat <<EOSC >loc
-$startsh
-case \$# in
-0) exit 1;;
-esac
-thing=\$1
-shift
-dflt=\$1
-shift
-for dir in \$*; do
-	case "\$thing" in
-	.)
-	if test -d \$dir/\$thing; then
-		echo \$dir
-		exit 0
-	fi
-	;;
-	*)
-	if test -f \$dir/\$thing; then
-		echo \$dir/\$thing
-		exit 0
-	elif test -f \$dir/\$thing.exe; then
-		: on Eunice apparently
-		echo \$dir/\$thing
-		exit 0
-	fi
-	;;
-	esac
-done
-echo \$dflt
-exit 1
-EOSC
-chmod +x loc
-$eunicefix loc
-loclist="
-?awk:awk
-?cat:cat
-?chgrp:chgrp
-?chmod:chmod
-?chown:chown
-?cp:cp
-?echo:echo
-?expr:expr
-?grep:grep
-?ln:ln
-?ls:ls
-?make:make
-?mkdir:mkdir
-?mv:mv
-?rm:rm
-?sed:sed
-?sleep:sleep
-?sort:sort
-?tail:tail
-?touch:touch
-?tr:tr
-?uniq:uniq
-"
-trylist="
-?Mcc:Mcc
-?bash:bash
-?bison:bison
-?byacc:byacc
-?compress:compress
-?cpio:cpio
-?cpp:cpp
-?csh:csh
-?date:date
-?egrep:egrep
-?emacs:emacs
-?find:find
-?flex:flex
-?gcc:gcc
-?inews:inews
-?ksh:ksh
-?less:less
-?line:line
-?lint:lint
-?lp:lp
-?lpr:lpr
-?mail:mail
-?mailx:mailx
-?more:more
-?nroff:nroff
-?perl:perl
-?pg:pg
-?pmake:pmake
-?pr:pr
-?rmail:rmail
-?sendmail:sendmail
-?sh:sh
-?shar:shar
-?smail:smail
-?submit:submit
-?tar:tar
-?tbl:tbl
-?test:test
-?troff:troff
-?uname:uname
-?uuname:uuname
-?vi:vi
-?zcat:zcat
-"
-?LINT:set Loc Mcc awk bash bison byacc cat chgrp chmod chown compress cp \
-	cpio cpp csh date echo egrep emacs expr find flex gcc grep inews \
-	ksh less line lint ln lp lpr ls mail mailx make mkdir more mv \
-	nroff perl pg pmake pr rm rmail sed sendmail sh shar sleep \
-	smail sort submit tail tar tbl test touch tr troff uname uniq \
-	uuname vi zcat
-pth=`echo $PATH | sed -e 's/:/ /g'`
-pth="$pth /lib /usr/lib"
-for file in $loclist; do
-	xxx=`./loc $file $file $pth`
-	eval $file=$xxx
-	eval _$file=$xxx
-	case "$xxx" in
-	/*)
-		echo $file is in $xxx.
-		;;
-	*)
-		echo "I don't know where $file is.  I hope it's in everyone's PATH."
-		;;
-	esac
-done
-echo " "
-echo "Don't worry if any of the following aren't found..."
-say=offhand
-for file in $trylist; do
-	xxx=`./loc $file $file $pth`
-	eval $file=$xxx
-	eval _$file=$xxx
-	case "$xxx" in
-	/*)
-		echo $file is in $xxx.
-		;;
-	*)
-		echo "I don't see $file out there, $say."
-		say=either
-		;;
-	esac
-done
-case "$egrep" in
-egrep)
-	echo "Substituting grep for egrep."
-	egrep=$grep
-	;;
-esac
-case "$test" in
-test)
-	echo "Hopefully test is built into your sh."
-	;;
-*)
-	if sh -c "PATH= test true" >/dev/null 2>&1; then
-		echo "Using the test built into your sh."
-?X:
-?X: We need to set both test and _test, since Oldconfig.U will use the _test
-?X: value to systematically restore computed paths, which may be wrong if
-?X: we choose to load an old config.sh generated on another platform.
-?X:
-		test=test
-		_test=test
-	fi
-	;;
-esac
-?LINT:change n c
-case "$echo" in
-echo)
-	echo "Hopefully echo is built into your sh."
-	;;
-?X: For those rare cases where we don't need $echo...
-'') ;;
-*)
-	echo " "
-echo "Checking compatibility between $echo and builtin echo (if any)..." >&4
-	$echo $n "hi there$c" >foo1
-	echo $n "hi there$c" >foo2
-	if cmp foo1 foo2 >/dev/null 2>&1; then
-		echo "They are compatible.  In fact, they may be identical."
-	else
-		case "$n" in
-		'-n') n='' c='\c';;
-		*) n='-n' c='';;
-		esac
-		cat <<FOO
-They are not compatible!  You are probably running ksh on a non-USG system.
-I'll have to use $echo instead of the builtin, since Bourne shell doesn't
-have echo built in and we may have to run some Bourne shell scripts.  That
-means I'll have to use '$n$c' to suppress newlines now.  Life is ridiculous.
-
-FOO
-		$echo $n "The star should be here-->$c"
-		$echo "*"
-	fi
-	$rm -f foo1 foo2
-	;;
-esac
-
diff --git a/U/Oldconfig.U b/U/Oldconfig.U
deleted file mode 100644
index 2b6d3a0157..0000000000
--- a/U/Oldconfig.U
+++ /dev/null
@@ -1,369 +0,0 @@
-?RCS: $Id: Oldconfig.U,v 3.0.1.2 1994/01/24 14:05:02 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: Oldconfig.U,v $
-?RCS: Revision 3.0.1.2  1994/01/24  14:05:02  ram
-?RCS: patch16: added post-processing on myuname for Xenix targets
-?RCS: patch16: message proposing config.sh defaults made consistent
-?RCS:
-?RCS: Revision 3.0.1.1  1993/09/13  15:56:32  ram
-?RCS: patch10: force use of config.sh when -d option is used (WAD)
-?RCS: patch10: complain about non-existent hint files (WAD)
-?RCS: patch10: added Options dependency for fastread variable
-?RCS:
-?RCS: Revision 3.0  1993/08/18  12:05:12  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?X: 
-?X: This unit tries to remember what we did last time we ran Configure, mostly
-?X: for the sake of setting defaults.
-?X: 
-?MAKE:Oldconfig hint myuname osname osvers: Instruct Myread uname \
-	sed test cat rm n c contains Loc Options
-?MAKE:	-pick wipe $@ %<
-?S:myuname:
-?S:	The output of 'uname -a' if available, otherwise the hostname. On Xenix,
-?S:	pseudo variables assignments in the output are stripped, thank you. The
-?S:	whole thing is then lower-cased.
-?S:.
-?S:hint:
-?S:	Gives the type of hints used for previous answers. May be one of
-?S:	"default", "recommended" or "previous".
-?S:.
-?S:osname:
-?S:	This variable contains the operating system name (e.g. sunos, 
-?S:	solaris, hpux, etc.).  It can be useful later on for setting
-?S:	defaults. It is set to '' if we can't figure it out.
-?S:.
-?S:osvers:
-?S:	This variable contains the operating system version (e.g.
-?S:	4.1.3, 5.2, etc.).  It is primarily used for helping select
-?S:	an appropriate hints file, but might be useful elsewhere for
-?S:	setting defaults.  It is set to '' if we can't figure it out.
-?S:.
-?T:tmp file oldmyuname hintfile tans _
-?LINT:change n c
-: Try to determine whether config.sh was made on this system
-case "$config_sh" in
-'')
-?X: indentation wrong on purpose--RAM
-?X: Leave a white space between first two '(' for ksh. The sub-shell is needed
-?X: on some machines to avoid the error message when uname is not found; e.g.
-?X: old SUN-OS 3.2 would not execute hostname in (uname -a || hostname). Sigh!
-myuname=`( ($uname -a) 2>/dev/null || hostname) 2>&1`
-?X: Special mention for Xenix, whose 'uname -a' gives us output like this:
-?X:  sysname=XENIX
-?X:  nodename=whatever
-?X:  release=2.3.2 .. etc...
-?X: Therefore, we strip all this variable assignment junk and remove all the
-?X: new lines to keep the myuname variable sane... --RAM
-myuname=`echo $myuname | $sed -e 's/^[^=]*=//' | \
-	tr '[A-Z]' '[a-z]' | tr '\012' ' '`
-dflt=n
-if test "$fastread" = yes; then
-	dflt=y
-elif test -f ../config.sh; then
-?X: The value from config.sh will superseed the one we've just computed
-?X: ... but not if we choose to ignore config.sh, so eval oldmyuname here.
-	oldmyuname=''
-	if $contains myuname= ../config.sh >/dev/null 2>&1; then
-		eval "old`grep myuname= ../config.sh`"
-	fi
-	if test "X$myuname" = "X$oldmyuname"; then
-		dflt=y
-	fi
-fi
-
-@if {test -d ../hints}
-: Get old answers from old config file if Configure was run on the
-: same system, otherwise use the hints.
-hint=default
-cd ..
-if test -f config.sh; then
-	echo " "
-	rp="I see a config.sh file.  Shall I use it to set the defaults?"
-	. UU/myread
-	case "$ans" in
-	n*|N*) echo "OK, I'll ignore it."; mv config.sh config.sh.old;;
-	*)  echo "Fetching default answers from your old config.sh file..." >&4
-		tmp="$n"
-		tans="$c"
-		. ./config.sh
-		cp config.sh UU
-		n="$tmp"
-		c="$tans"
-		hint=previous
-		;;
-	esac
-fi
-if test ! -f config.sh; then
-	$cat <<EOM
-
-First time through, eh?  I have some defaults handy for the following systems:
-
-EOM
-	cd hints; ls -C *.sh | $sed 's/\.sh/   /g' >&4
-	dflt=''
-	: Half the following guesses are probably wrong... If you have better
-	: tests or hints, please send them to <MAINTLOC>
-	: The metaconfig authors would also appreciate a copy...
-	$test -f /irix && osname=sgi
-	$test -f /xenix && osname=sco_xenix
-	$test -f /dynix && osname=dynix
-	$test -f /dnix && osname=dnix
-	$test -f /bin/mips && /bin/mips && osname=mips
-	$test -d /NextApps && test -f /usr/adm/software_version && osname=next
-	$test -d /usr/include/minix && osname=minix
-?X: If we have uname, we already computed a suitable uname -a output, correctly
-?X: formatted for Xenix, and it lies in $myuname.
-	if $test -f $uname; then
-		set X $myuname
-		shift
-
-		$test -f $5.sh && dflt="$dflt $5"
-
-		case "$5" in
-		fps*) osname=fps ;;
-		mips*)
-			case "$4" in
-			umips) osname=umips ;;
-			*) osname=mips ;;
-			esac;;
-		[23]100) osname=mips ;;
-		next*) osname=next ;;
-		news*) osname=news ;;
-		i386*) if $test -f /etc/kconfig; then
-			    osname=isc
-				if $contains _SYSV3 /usr/include/stdio.h > /dev/null 2>&1 ; then
-					osvers=3.2.3
-				elif $contains _POSIX_SOURCE /usr/include/stdio.h > /dev/null 2>&1 ; then
-					osvers=3.2.2
-			    fi
-		       fi
-		       ;;
-		esac
-
-		case "$1" in
-		aix) osname=aix_rs ;;
-		sunos) osname=sunos
-			case "$3" in
-			[34]*) osvers=$3 ;;
-			5*) osname=solaris
-				osvers=`echo $3 | $sed 's/^5/2/g'` ;;
-			esac
-			;;
-		solaris) osname=solaris
-			case "$3" in
-			5*) osvers=`echo $3 | $sed 's/^5/2/g'` ;;
-			esac
-			;;
-		dnix) osname=dnix ;;
-		dgux) osname=dgux ;;
-		genix) osname=genix ;;
-		hp*ux) osname=hpux ;;
-		next) osname=next ;;
-		irix) osname=sgi ;;
-		ultrix) osname=ultrix
-			case "$3" in
-			1*) osvers=1 ;;
-			2*) osvers=2 ;;
-			3*) osvers=3 ;;
-			4*) osvers=4 ;;
-			esac
-			;;
-		osf1)	case "$5" in
-				alpha)  osname=dec_osf
-					case "$3" in
-                    	[vt]1\.*) osvers=1 ;;
-                        [vt]2\.*) osvers=2 ;;
-                        [vt]3\.*) osvers=3 ;;
-					esac
-                    ;;
-			hp*)	osname=hp_osf1	;;	# TR
-			mips)	osname=mips_osf1 ;;	# TR
-			# TR =	Technology Releases: (un^N)supported
-			esac
-			;;
-		uts) osname=uts ;;
-		$2) case "$osname" in
-			*isc*) ;;
-			*)	if test -f /etc/systemid; then
-				osname=sco
-				: Does anyone know if these next gyrations are needed
-				set `echo $3 | $sed 's/\./ /g'` $4
-					if $test -f sco_$1_$2_$3.sh; then
-						osvers=$1.$2.$3
-					elif $test -f sco_$1_$2.sh; then
-						osvers=$1.$2
-					elif $test -f sco_$1.sh; then
-						osvers=$1
-					fi
-				fi
-				;;
-			esac
-			;;
-		esac
-	else
-?X: Try to identify sony's NEWS-OS (BSD unix)
-		if test -f /vmunix -a -f news_os.sh; then
-			(what /vmunix | tr '[A-Z]' '[a-z]') > ../UU/kernel.what 2>&1
-			if $contains news-os ../UU/kernel.what >/dev/null 2>&1; then
-				osname=news_os
-			fi
-			$rm -f ../UU/kernel.what
-		fi
-	fi
-	
-	: Now look for a hint file osname_osvers
-	file=`echo "${osname}_${osvers}" | sed -e 's@\.@_@g' -e 's@_$@@'`
-	case "$file" in
-	'') dflt=none ;;
-	*)  case "$osvers" in
-		'') dflt=$file 
-			;;
-		*)  if $test -f $file.sh ; then
-				dflt=$file
-			elif $test -f "${osname}.sh" ; then
-				dflt="${osname}"
-			else
-				dflt=none
-			fi
-			;;
-		esac
-		;;
-	esac
-			
-	$cat <<EOM
-
-You may give one or more space-separated answers, or "none" if appropriate.
-If your OS version has no hints, DO NOT give a wrong version -- say "none".
-
-EOM
-	rp="Which of these apply, if any?"
-	. ../UU/myread
-	tans=$ans
-	for file in $tans; do
-		if $test -f $file.sh; then
-			. ./$file.sh
-			$cat $file.sh >> ../UU/config.sh
-		elif $test X$tans = X -o X$tans = Xnone ; then
-			: nothing
-		else
-			: Give one chance to correct a possible typo.
-			echo "$file.sh does not exist"
-			dflt=$file
-			rp="hint to use instead?"
-			. ../UU/myread
-			for file in $ans; do
-				if $test -f "$file.sh"; then
-					. ./$file.sh
-					$cat $file.sh >> ../UU/config.sh
-				elif $test X$ans = X -o X$ans = Xnone ; then
-					: nothing
-				else
-					echo "$file.sh does not exist -- ignored."
-				fi
-			done
-		fi
-	done
-
-	hint=recommended
-	: Remember our hint file for later.
-	if $test -f "$file.sh" ; then
-		hintfile="$file.sh"
-	else
-		hintfile=none
-	fi
-
-	cd ..
-fi
-cd UU
-@else
-: Get old answers, if there is a config file out there
-hint=default
-if test -f ../config.sh; then
-	echo " "
-	rp="I see a config.sh file.  Shall I use it to set the defaults?"
-	. ./myread
-	case "$ans" in
-	n*|N*) echo "OK, I'll ignore it.";;
-	*)  echo "Fetching default answers from your old config.sh file..." >&4
-		tmp="$n"
-		tans="$c"
-		. ../config.sh
-		cp ../config.sh .
-		n="$tmp"
-		c="$tans"
-		hint=previous
-		;;
-	esac
-fi
-@end
-?X: remember, indentation is wrong--RAM
-;;
-*)
-	echo " "
-	echo "Fetching default answers from $config_sh..." >&4
-	tmp="$n"
-	tans="$c"
-	cd ..
-?X: preserve symbolic links, if any
-	cp $config_sh config.sh 2>/dev/null
-	. ./config.sh
-	cd UU
-	cp ../config.sh .
-	n="$tmp"
-	c="$tans"
-	hint=previous
-	;;
-esac
-
-: Restore computed paths
-for file in $loclist $trylist; do
-	eval $file="\$_$file"
-done
-
-cat << EOM
-Configure uses the operating system name and version to set some defaults.
-Say "none" to leave it blank.
-EOM
-
-case "$osname" in
-	''|' ')  
-		case "$hintfile" in
-		none) dflt=none ;;
-		*)  dflt=`echo $hintfile | sed -e 's/\.sh$//' -e 's/_.*$//'` ;;
-		esac
-		;;
-	*) dflt="$osname" ;;
-esac
-rp="Operating system name?"
-. ./myread
-case "$ans" in
-    none)  osname='' ;;
-    *) osname="$ans" ;;
-esac
-
-case "$osvers" in
-	''|' ')  
-		case "$hintfile" in
-		none) dflt=none ;;
-		*)	dflt=`echo $hintfile | sed -e 's/\.sh$//' -e 's/^[^_]*//'`
-    		dflt=`echo $dflt | sed -e 's/^_//' -e 's/_/./g'` ;;
-		esac
-		;;
-	*) dflt="$osvers" ;;
-esac
-rp="Operating system version?"
-. ./myread
-case "$ans" in
-    none)  osvers='' ;;
-    *) osvers="$ans" ;;
-esac
diff --git a/U/README.U b/U/README.U
deleted file mode 100644
index 4d4f9645a0..0000000000
--- a/U/README.U
+++ /dev/null
@@ -1,15 +0,0 @@
-?X:  These units are based on the ones supplied with dist-3.0
-?X:  patchlevel 22.  They have been changed or enhanced to work with
-?X:  perl5alpha.  I would appreciate hearing about any changes,
-?X:  corrections, or enhancements.
-?X:	Andy Dougherty			doughera@lafcol.lafayette.edu
-?X:	Dept. of Physics 		
-?X:	Lafayette College	
-?X:	Easton, PA  18042-1782
-?X:     Sat Apr  2 15:45:17 EST 1994
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0, or in the perl distribution.
diff --git a/U/alignbytes.U b/U/alignbytes.U
deleted file mode 100644
index 38526465a0..0000000000
--- a/U/alignbytes.U
+++ /dev/null
@@ -1,57 +0,0 @@
-?RCS: $Id: alignbytes.U,v 3.0 1993/08/18 12:05:23 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: alignbytes.U,v $
-?RCS: Revision 3.0  1993/08/18  12:05:23  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:memalignbytes: Myread cat cc ccflags rm
-?MAKE:	-pick add $@ %<
-?S:memalignbytes:
-?S:	This variable holds the number of bytes required to align a
-?S:	double. Usual values are 2, 4 and 8.
-?S:.
-?X: This used to be called ALIGNBYTES, but that conflicts with
-?X: <machines/param.h> in NetBSD.
-?C:MEM_ALIGNBYTES (ALIGNBYTES):
-?C:	This symbol contains the number of bytes required to align a
-?C:	double. Usual values are 2, 4 and 8.
-?C:.
-?H:#define MEM_ALIGNBYTES $memalignbytes	/**/
-?H:.
-: check for alignment requirements
-echo " "
-case "$memalignbytes" in
-'') echo "Checking alignment constraints..." >&4
-	$cat >try.c <<'EOCP'
-struct foobar {
-	char foo;
-	double bar;
-} try;
-main()
-{
-	printf("%d\n", (char *)&try.bar - (char *)&try.foo);
-}
-EOCP
-	if $cc $ccflags try.c -o try >/dev/null 2>&1; then
-		dflt=`./try`
-	else
-		dflt='8'
-		echo"(I can't seem to compile the test program...)"
-	fi
-	;;
-*) dflt="$memalignbytes"
-	;;
-esac
-rp="Doubles must be aligned on a how-many-byte boundary?"
-. ./myread
-memalignbytes="$ans"
-$rm -f try.c try
-
diff --git a/U/cc.U b/U/cc.U
deleted file mode 100644
index 04950176c0..0000000000
--- a/U/cc.U
+++ /dev/null
@@ -1,111 +0,0 @@
-?RCS: $Id: cc.U,v 3.0 1993/08/18 12:05:30 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: cc.U,v $
-?RCS: Revision 3.0  1993/08/18  12:05:30  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:gccversion cc: cat contains sysman +large cpp rm test \
-	Mcc Myread Guess Oldconfig Loc
-?MAKE:	-pick add $@ %<
-?S:cc:
-?S:	This variable holds the name of a command to execute a C compiler which
-?S:	can resolve multiple global references that happen to have the same
-?S:	name.  Usual values are "cc", "Mcc", "cc -M", and "gcc".
-?S:.
-?S:gccversion:
-?S:	If GNU cc (gcc) is used, this variable holds '1' or '2' to 
-?S:	indicate whether the compiler is version 1 or 2.  This is used in
-?S:	setting some of the default cflags.
-?S:.
-?D:cc='cc'
-?INIT:gccversion=''
-?LINT:change cpp
-: see if we need a special compiler
-echo " "
-if usg; then
-	case "$cc" in
-	'') case "$Mcc" in
-		/*) dflt='Mcc';;
-		*) case "$large" in
-			-M*) dflt='cc';;
-			*)	if $contains '\-M' $sysman/cc.1 >/dev/null 2>&1 ; then
-					if $contains '\-M' $sysman/cpp.1 >/dev/null 2>&1; then
-						dflt='cc'
-					else
-						dflt='cc -M'
-					fi
-				else
-					dflt='cc'
-				fi;;
-			esac;;
-		esac;;
-	*)  dflt="$cc";;
-	esac
-	$cat <<'EOM'
-On some systems the default C compiler will not resolve multiple global
-references that happen to have the same name.  On some such systems the "Mcc"
-command may be used to force these to be resolved.  On other systems a "cc -M"
-command is required.  (Note that the -M flag on other systems indicates a
-memory model to use!) If you have the Gnu C compiler, you might wish to use
-that instead.
-
-EOM
-	rp="What command will force resolution on this system?"
-	. ./myread
-	cc="$ans"
-else
-	case "$cc" in
-	'') dflt=cc;;
-	*) dflt="$cc";;
-	esac
-	rp="Use which C compiler?"
-	. ./myread
-	cc="$ans"
-fi
-case "$cc" in
-gcc*)   echo "Checking out which version of gcc"
-$cat >gccvers.c <<EOM
-#include <stdio.h>
-int main()
-{
-char *v;
-v = "unknown";
-#ifdef __GNUC__
-#  ifdef __VERSION__
-	v = __VERSION__;
-#  endif
-#endif
-switch((int) v[0])
-  {
-    case '1':  printf("1\n"); break;
-    case '2':  printf("2\n"); break;
-    case '3':  printf("3\n"); break;
-    default:   break;
-  }
-#ifdef __GNUC__
-return 0;
-#else
-return 1;
-#endif
-}
-EOM
-	if $cc -o gccvers gccvers.c >/dev/null 2>&1; then
-	    gccversion=`./gccvers`
-		echo "You appear to have version $gccversion."
-	else
-		echo "Doesn't appear to be GNU cc."
-	fi
-	$rm -f gccvers*
-	if $test "$gccversion" = '1'; then
-		cpp=`./loc gcc-cpp $cpp $pth`
-	fi
-	;;
-esac
diff --git a/U/ccflags.U b/U/ccflags.U
deleted file mode 100644
index 1b9bf39829..0000000000
--- a/U/ccflags.U
+++ /dev/null
@@ -1,236 +0,0 @@
-?RCS: $Id: ccflags.U,v 3.0.1.3 1993/09/13 15:58:29 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: ccflags.U,v $
-?RCS: Revision 3.0.1.3  1993/09/13  15:58:29  ram
-?RCS: patch10: explicitely mention -DDEBUG just in case they need it (WAD)
-?RCS: patch10: removed all the "tans" variable usage (WAD)
-?RCS:
-?RCS: Revision 3.0.1.2  1993/08/27  14:39:38  ram
-?RCS: patch7: added support for OSF/1 machines
-?RCS:
-?RCS: Revision 3.0.1.1  1993/08/25  14:00:24  ram
-?RCS: patch6: added defaults for cppflags, ccflags and ldflags
-?RCS:
-?RCS: Revision 3.0  1993/08/18  12:05:31  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:ccflags ldflags lkflags cppflags optimize: test cat Myread Guess \
-	Oldconfig cc gccversion mips_type +usrinc package contains
-?MAKE:	-pick add $@ %<
-?S:ccflags:
-?S:	This variable contains any additional C compiler flags desired by
-?S:	the user.  It is up to the Makefile to use this.
-?S:.
-?S:cppflags:
-?S:	This variable holds the flags that will be passed to the C pre-
-?S:	processor. It is up to the Makefile to use it.
-?S:.
-?S:optimize:
-?S:	This variable contains any optimizer/debugger flag that should be used.
-?S:	It is up to the Makefile to use it.
-?S:.
-?S:ldflags:
-?S:	This variable contains any additional C loader flags desired by
-?S:	the user.  It is up to the Makefile to use this.
-?S:.
-?S:lkflags:
-?S:	This variable contains any additional C partial linker flags desired by
-?S:	the user.  It is up to the Makefile to use this.
-?S:.
-?T:inctest thisincl xxx flag inclwanted
-?D:cppflags=''
-?D:ccflags=''
-?D:ldflags=''
-?INIT:: no include file wanted by default
-?INIT:inclwanted=''
-?INIT:
-: determine optimize, if desired, or use for debug flag also
-case "$optimize" in
-' ') dflt="none";;
-'') dflt="-g";;
-*) dflt="$optimize";;
-esac
-$cat <<EOH
-
-Some C compilers have problems with their optimizers, by default, $package
-compiles with the -O flag to use the optimizer.  Alternately, you might want
-to use the symbolic debugger, which uses the -g flag (on traditional Unix
-systems).  Either flag can be specified here.  To use neither flag, specify
-the word "none".
-
-EOH
-rp="What optimizer/debugger flag should be used?"
-. ./myread
-optimize="$ans"
-case "$optimize" in
-'none') optimize=" ";;
-esac
-
-dflt=''
-case "$ccflags" in
-'')	case "$cc" in
-	*gcc*) if $test "$gccversion" = "1"; then
-			dflt='-fpcc-struct-return'
-		   fi ;;
-	esac
-	case "$optimize" in
-	*-g*) dflt="$dflt -DDEBUGGING";;
-	esac
-?X: check for POSIXized ISC
-	case "$cc" in
-	*gcc*)	if test -d /etc/conf/kconfig.d &&
-		  $contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1
-		then
-			dflt="$dflt -posix"
-		fi
-		;;
-	esac
-	;;
-esac
-
-?X: In USG mode, a MIPS system may need some BSD includes
-case "$mips_type" in
-*BSD*) ;;
-'') ;;
-*) inclwanted="$inclwanted $usrinc/bsd";;
-esac
-for thisincl in $inclwanted; do
-	if $test -d $thisincl; then
-		if $test x$thisincl != x$usrinc; then
-			case "$dflt" in
-			*$thisincl*);;
-			*) dflt="$dflt -I$thisincl";;
-			esac
-		fi
-	fi
-done
-
-?X: Include test function (header, symbol)
-inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then
-	xxx=true;
-elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then
-	xxx=true;
-else
-	xxx=false;
-fi;
-if $xxx; then
-	case "$dflt" in
-	*$2*);;
-	*) dflt="$dflt -D$2";;
-	esac;
-fi'
-
-?X:
-?X: SCO unix uses NO_PROTOTYPE instead of _NO_PROTO
-?X: OSF/1 uses __LANGUAGE_C__ instead of LANGUAGE_C
-?X:
-if ./osf1; then
-	set signal.h __LANGUAGE_C__; eval $inctest
-else
-	set signal.h LANGUAGE_C; eval $inctest
-fi
-set signal.h NO_PROTOTYPE; eval $inctest
-set signal.h _NO_PROTO; eval $inctest
-
-case "$dflt" in
-'') dflt=none;;
-esac
-case "$ccflags" in
-'') ;;
-*) dflt="$ccflags";;
-esac
-$cat <<EOH
-
-Your C compiler may want other flags.  For this question you should include
--I/whatever and -DWHATEVER flags and any other flags used by the C compiler,
-but you should NOT include libraries or ld flags like -lwhatever.  If you
-want $package to honor its debug switch, you should include -DDEBUGGING here.
-To use no flags, specify the word "none".
-
-Your C compiler might also need additional flags, such as -DJMPCLOBBER,
--DHIDEMYMALLOC or -DCRIPPLED_CC.
-EOH
-?X: strip leading space
-set X $dflt
-shift
-dflt=${1+"$@"}
-rp="Any additional cc flags?"
-. ./myread
-case "$ans" in
-none) ccflags='';;
-*) ccflags="$ans";;
-esac
-
-: the following weeds options from ccflags that are of no interest to cpp
-cppflags="$ccflags"
-case "$cc" in
-*gcc*)  case "$gccversion" in
-	1) cppflags="$cppflags -D__GNUC__" ;;
-	esac
-	;;
-esac
-case "$mips_type" in
-'');;
-*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";;
-esac
-case "$cppflags" in
-'');;
-*)  set X $cppflags
-	cppflags=''
-	for flag
-	do
-		case $flag in
-		-D*|-I*|-traditional|-ansi|-nostdinc|-posix|-Xp) cppflags="$cppflags $flag";;
-		esac
-	done
-	case "$cppflags" in
-	*-*)  echo "(C preprocessor flags: $cppflags)";;
-	esac
-	;;
-esac
-
-: flags used in final linking phase
-case "$ldflags" in
-'') if venix; then
-		dflt='-i -z'
-	else
-		dflt='none'
-	fi
-	;;
-*) dflt="$ldflags";;
-esac
-echo " "
-rp="Any additional ld flags (NOT including libraries)?"
-. ./myread
-case "$ans" in
-none) ldflags='';;
-*) ldflags="$ans";;
-esac
-rmlist="$rmlist pdp11"
-
-@if lkflags
-: partial linking may need other flags
-case "$lkflags" in
-'') case "$ldflags" in
-	'') dflt='none';;
-	*) dflt="$ldflags";;
-	esac;;
-*) dflt="$lkflags";;
-esac
-echo " "
-rp="Partial linking flags to be used (NOT including -r)?"
-. ./myread
-case "$ans" in
-none) lkflags='';;
-*)    lkflags="$ans";;
-esac
-
-@end
diff --git a/U/d_casti32.U b/U/d_casti32.U
deleted file mode 100644
index f33b5f811f..0000000000
--- a/U/d_casti32.U
+++ /dev/null
@@ -1,77 +0,0 @@
-?RCS: $Id: d_casti32.U,v 3.0 1993/08/18 12:05:47 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: d_casti32.U,v $
-?RCS: Revision 3.0  1993/08/18  12:05:47  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?X:
-?X:	Can the compiler cast large floats to 32-bit integers?
-?X:
-?MAKE:d_casti32: cat cc ccflags rm intsize Setvar test
-?MAKE:	-pick add $@ %<
-?S:d_casti32:
-?S:	This variable conditionally defines CASTI32, which indicates
-?S:	wether the C compiler can cast large floats to 32-bit ints.
-?S:.
-?T:xxx yyy
-?C:CASTI32:
-?C:	This symbol is defined if the C compiler can cast negative
-?C:	or large floating point numbers to 32-bit ints.
-?C:.
-?H:#$d_casti32	CASTI32		/**/
-?H:.
-?LINT:set d_casti32
-: check for ability to cast large floats to 32-bit ints.
-echo " "
-echo 'Checking whether your C compiler can cast large floats to int32.' >&4
-if $test "$intsize" -eq 4; then
-    xxx=int
-else
-    xxx=long
-fi
-
-$cat >try.c <<EOCP
-#include <sys/types.h>
-#include <signal.h>
-blech() { exit(3); }
-main()
-{
-        $xxx i32;
-	double f;
-	int result = 0;
-	signal(SIGFPE, blech);
-
-	f = (double) 0x7fffffff;
-	f = 10 * f;
-	i32  = ( $xxx )f;
-
-	if (i32 != ( $xxx )f)
-		result |= 1;
-	exit(result);
-}
-EOCP
-if $cc -o try $ccflags try.c >/dev/null 2>&1; then
-	./try
-	yyy=$?
-else
-	yyy=1
-fi
-case "$yyy" in
-0)	val="$define"
-	echo "Yup, it can."
-	;;
-*)	val="$undef"
-	echo "Nope, it can't."
-	;;
-esac
-set d_casti32
-eval $setvar
-$rm -f try try.*
diff --git a/U/d_htonl.U b/U/d_htonl.U
deleted file mode 100644
index 0cb16479d4..0000000000
--- a/U/d_htonl.U
+++ /dev/null
@@ -1,76 +0,0 @@
-?RCS: $Id: d_htonl.U,v 3.0 1993/08/18 12:06:22 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: d_htonl.U,v $
-?RCS: Revision 3.0  1993/08/18  12:06:22  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:d_htonl: cc ccflags Inlibc i_niin i_sysin rm
-?MAKE:	-pick add $@ %<
-?S:d_htonl:
-?S:	This variable conditionally defines HAS_HTONL if htonl() and its
-?S:	friends are available to do network order byte swapping.
-?S:.
-?C:HAS_HTONL (HTONL):
-?C:	This symbol, if defined, indicates that the htonl() routine (and
-?C:	friends htons() ntohl() ntohs()) are available to do network
-?C:	order byte swapping.
-?C:.
-?C:HAS_HTONS (HTONS):
-?C:	This symbol, if defined, indicates that the htons() routine (and
-?C:	friends htonl() ntohl() ntohs()) are available to do network
-?C:	order byte swapping.
-?C:.
-?C:HAS_NTOHL (NTOHL):
-?C:	This symbol, if defined, indicates that the ntohl() routine (and
-?C:	friends htonl() htons() ntohs()) are available to do network
-?C:	order byte swapping.
-?C:.
-?C:HAS_NTOHS (NTOHS):
-?C:	This symbol, if defined, indicates that the ntohs() routine (and
-?C:	friends htonl() htons() ntohl()) are available to do network
-?C:	order byte swapping.
-?C:.
-?H:#$d_htonl HAS_HTONL		/**/
-?H:#$d_htonl HAS_HTONS		/**/
-?H:#$d_htonl HAS_NTOHL		/**/
-?H:#$d_htonl HAS_NTOHS		/**/
-?H:.
-?LINT:set d_htonl
-: see if htonl --and friends-- exists
-set htonl d_htonl
-eval $inlibc
-: Maybe they are macros.
-case "$d_htonl" in
-'define') ;;
-*) cat > try.c <<EOM
-#include <stdio.h>
-#include <sys/types.h>
-#$i_niin I_NETINET_IN
-#$i_sysin I_SYS_IN
-#ifdef I_NETINET_IN
-# include <netinet/in.h>
-#endif
-#ifdef I_SYS_IN
-# include <sys/in.h>
-#endif
-int main()
-{
-  int x;
-  printf("x = ", htonl(7));
-}
-EOM
-    if $cc $ccflags -c try.c >/dev/null 2>&1; then
-        d_htonl="$define"
-	echo "But it seems to be defined as a macro."
-    fi
-    $rm -f try.* try
-    ;;
-esac
diff --git a/U/d_isascii.U b/U/d_isascii.U
deleted file mode 100644
index 70fba1998a..0000000000
--- a/U/d_isascii.U
+++ /dev/null
@@ -1,50 +0,0 @@
-?RCS: $Id: d_isascii.U,v 3.0 1993/08/18 12:06:44 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: d_isascii.U,v $
-?RCS: Revision 3.0  1993/08/18  12:06:44  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:d_isascii: cc cat cppflags rm Setvar Findhdr
-?MAKE:	-pick add $@ %<
-?S:d_isascii:
-?S:	This variable conditionally defines the HAS_ISASCII manifest constant,
-?S:	which indicates to the C program that isascii() is available.
-?S:.
-?C:HAS_ISASCII (ISASCII):
-?C:	This manifest constant lets the C program know that the
-?C:	isascii is available.
-?C:.
-?H:#$d_isascii HAS_ISASCII		/**/
-?H:.
-?LINT:set d_isascii
-: Look for isascii
-echo " "
-$cat >isascii.c <<'EOCP'
-#include <stdio.h>
-#include <ctype.h>
-main() {
-        int c = 'A';
-	if (isascii(c))
-	    exit(0);
-	else
-	    exit(1);
-}
-EOCP
-if $cc $cppflags -o isascii isascii.c >/dev/null 2>&1 ; then
-    echo "isascii() found."
-    val="$define"
-else
-    echo "isascii() NOT found."
-    val="$undef"
-fi
-set d_isascii
-eval $setvar
-$rm -f isascii*
diff --git a/U/d_readdir.U b/U/d_readdir.U
deleted file mode 100644
index e9364b4121..0000000000
--- a/U/d_readdir.U
+++ /dev/null
@@ -1,70 +0,0 @@
-?RCS: $Id: d_readdir.U,v 3.0 1993/08/18 12:06:52 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: d_readdir.U,v $
-?RCS: Revision 3.0  1993/08/18  12:06:52  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?X:	Force checking for <dirent.h> inclusion
-?X:INC: i_dirent
-?MAKE:d_readdir d_seekdir d_telldir d_rewinddir: Inlibc
-?MAKE:	-pick add $@ %<
-?S:d_readdir:
-?S:	This variable conditionally defines HAS_READDIR if readdir() is
-?S:	available to read directory entries.
-?S:.
-?C:HAS_READDIR (READDIR):
-?C:	This symbol, if defined, indicates that the readdir routine is
-?C:	available to read directory entries. You may have to include
-?C:	<dirent.h>. See I_DIRENT.
-?C:.
-?H:#$d_readdir HAS_READDIR		/**/
-?H:.
-?S:d_seekdir:
-?S:	This variable conditionally defines HAS_SEEKDIR if seekdir() is
-?S:	available.
-?S:.
-?C:HAS_SEEKDIR:
-?C:	This symbol, if defined, indicates that the seekdir routine is
-?C:	available. You may have to include <dirent.h>. See I_DIRENT.
-?C:.
-?H:#$d_seekdir HAS_SEEKDIR		/**/
-?H:.
-?S:d_telldir:
-?S:	This variable conditionally defines HAS_TELLDIR if telldir() is
-?S:	available.
-?S:.
-?C:HAS_TELLDIR:
-?C:	This symbol, if defined, indicates that the telldir routine is
-?C:	available. You may have to include <dirent.h>. See I_DIRENT.
-?C:.
-?H:#$d_telldir HAS_TELLDIR		/**/
-?H:.
-?S:d_rewinddir:
-?S:	This variable conditionally defines HAS_REWINDDIR if rewinddir() is
-?S:	available.
-?S:.
-?C:HAS_REWINDDIR:
-?C:	This symbol, if defined, indicates that the rewinddir routine is
-?C:	available. You may have to include <dirent.h>. See I_DIRENT.
-?C:.
-?H:#$d_rewinddir HAS_REWINDDIR		/**/
-?H:.
-?LINT:set d_readdir d_seekdir d_telldir d_rewinddir
-: see if readdir and friends exist
-set readdir d_readdir
-eval $inlibc
-set seekdir d_seekdir
-eval $inlibc
-set telldir d_telldir
-eval $inlibc
-set rewinddir d_rewinddir
-eval $inlibc
-
diff --git a/U/d_safebcpy.U b/U/d_safebcpy.U
deleted file mode 100644
index b7373a0791..0000000000
--- a/U/d_safebcpy.U
+++ /dev/null
@@ -1,81 +0,0 @@
-?RCS: $Id: d_safebcpy.U,v 3.0 1993/08/18 12:06:58 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: d_safebcpy.U,v $
-?RCS: 
-?RCS: Copy "abcde..." string to char abc[] so that gcc doesn't 
-?RCS: try to store the string in read-only memory.
-?RCS: 
-?RCS: Revision 3.0  1993/08/18  12:06:58  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:d_safebcpy: cat d_bcopy +cc +ccflags +libs rm Oldconfig Setvar
-?MAKE:	-pick add $@ %<
-?S:d_safebcpy:
-?S:	This variable conditionally defines the HAS_SAFE_BCOPY symbol if
-?S:	the bcopy() routine can do overlapping copies.
-?S:.
-?C:HAS_SAFE_BCOPY (SAFE_BCOPY):
-?C:	This symbol, if defined, indicates that the bcopy routine is available
-?C:	to copy potentially overlapping memory blocks. Otherwise you should
-?C:	probably use memmove() or memcpy(). If neither is defined, roll your
-?C:	own version.
-?C:.
-?H:#$d_safebcpy HAS_SAFE_BCOPY	/**/
-?H:.
-?LINT: set d_safebcpy
-: can bcopy handle overlapping blocks?
-?X: assume the worst
-val="$undef"
-case "$d_bcopy" in
-"$define")
-	echo " "
-	echo "Checking to see if your bcopy() can do overlapping copies..." >&4
-	$cat >foo.c <<'EOCP'
-main()
-{
-char buf[128], abc[128];
-char *b;
-int len;
-int off;
-int align;
-bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
-
-for (align = 7; align >= 0; align--) {
-	for (len = 36; len; len--) {
-		b = buf+align;
-		bcopy(abc, b, len);
-		for (off = 1; off <= len; off++) {
-			bcopy(b, b+off, len);
-			bcopy(b+off, b, len);
-			if (bcmp(b, abc, len))
-				exit(1);
-		}
-	}
-}
-exit(0);
-}
-EOCP
-	if $cc foo.c -o safebcpy $ccflags $libs >/dev/null 2>&1 ; then
-		if ./safebcpy 2>/dev/null; then
-			echo "Yes, it can."
-			val="$define"
-		else
-			echo "It can't, sorry."
-		fi
-	else
-		echo "(I can't compile the test program, so we'll assume not...)"
-	fi
-	;;
-esac
-$rm -f foo.* safebcpy core
-set d_safebcpy
-eval $setvar
-
diff --git a/U/d_safemcpy.U b/U/d_safemcpy.U
deleted file mode 100644
index 2f32680709..0000000000
--- a/U/d_safemcpy.U
+++ /dev/null
@@ -1,82 +0,0 @@
-?RCS: $Id: d_safemcpy.U,v 3.0 1993/08/18 12:06:58 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: d_safemcpy.U,v $
-?RCS: 
-?RCS: Copy "abcde..." string to char abc[] so that
-?RCS: gcc doesn't try to store the string in read-only memory.
-?RCS: 
-?RCS: Revision 3.0  1993/08/18  12:06:58  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:d_safemcpy: cat d_memcpy +cc +ccflags +libs rm Oldconfig Setvar
-?MAKE:	-pick add $@ %<
-?S:d_safemcpy:
-?S:	This variable conditionally defines the HAS_SAFE_MEMCPY symbol if
-?S:	the memcpy() routine can do overlapping copies.
-?S:.
-?C:HAS_SAFE_MEMCPY (SAFE_MEMCPY):
-?C:	This symbol, if defined, indicates that the memcpy routine is available
-?C:	to copy potentially overlapping memory blocks. Otherwise you should
-?C:	probably use memmove() or memcpy(). If neither is defined, roll your
-?C:	own version.
-?C:.
-?H:#$d_safemcpy HAS_SAFE_MEMCPY	/**/
-?H:.
-?LINT: set d_safemcpy
-: can memcpy handle overlapping blocks?
-?X: assume the worst
-val="$undef"
-case "$d_memcpy" in
-"$define")
-	echo " "
-	echo "Checking to see if your memcpy() can do overlapping copies..." >&4
-	$cat >foo.c <<'EOCP'
-main()
-{
-char buf[128], abc[128];
-char *b;
-int len;
-int off;
-int align;
-
-memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36);
-
-for (align = 7; align >= 0; align--) {
-	for (len = 36; len; len--) {
-		b = buf+align;
-		memcpy(abc, b, len);
-		for (off = 1; off <= len; off++) {
-			memcpy(b, b+off, len);
-			memcpy(b+off, b, len);
-			if (memcmp(b, abc, len))
-				exit(1);
-		}
-	}
-}
-exit(0);
-}
-EOCP
-	if $cc foo.c -o safemcpy $ccflags $libs >/dev/null 2>&1 ; then
-		if ./safemcpy 2>/dev/null; then
-			echo "Yes, it can."
-			val="$define"
-		else
-			echo "It can't, sorry."
-		fi
-	else
-		echo "(I can't compile the test program, so we'll assume not...)"
-	fi
-	;;
-esac
-$rm -f foo.* safemcpy core
-set d_safemcpy
-eval $setvar
-
diff --git a/U/d_setlocale.U b/U/d_setlocale.U
deleted file mode 100644
index 14ce63890e..0000000000
--- a/U/d_setlocale.U
+++ /dev/null
@@ -1,30 +0,0 @@
-?RCS: $Id: d_setlocale.U,v 3.0 1993/08/18 12:07:36 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: d_setlocale.U,v $
-?RCS: Revision 3.0  1993/08/18  12:07:36  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:d_setlocale: Inlibc
-?MAKE:	-pick add $@ %<
-?S:d_setlocale:
-?S:	This variable conditionally defines HAS_SETLOCALE if setlocale() is
-?S:	available to handle locale-specific ctype implementations.
-?S:.
-?C:HAS_SETLOCALE:
-?C:	This symbol, if defined, indicates that the setlocale routine is
-?C:	available to handle locale-specific ctype implementations.
-?C:.
-?H:#$d_setlocale HAS_SETLOCALE	/**/
-?H:.
-?LINT:set d_setlocale
-: see if setlocale exists
-set setlocale d_setlocale
-eval $inlibc
diff --git a/U/d_shmat.U b/U/d_shmat.U
deleted file mode 100644
index e3f8097a0d..0000000000
--- a/U/d_shmat.U
+++ /dev/null
@@ -1,54 +0,0 @@
-?RCS: $Id: d_shmat.U,v 3.0 1993/08/18 12:07:18 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: d_shmat.U,v $
-?RCS: Revision 3.0  1993/08/18  12:07:18  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:d_shmat d_voidshmat: Inlibc cppstdin cppflags cppminus usrinc \
-	contains
-?MAKE:	-pick add $@ %<
-?S:d_shmat:
-?S:	This variable conditionally defines the HAS_SHMAT symbol, which
-?S:	indicates to the C program that the shmat() routine is available.
-?S:.
-?S:d_voidshmat:
-?S:	This symbol, if defined, indicates that the shmat() routine
-?S:	returns a pointer of type void*.  Otherwise, char* is assumed.
-?S:.
-?C:HAS_SHMAT:
-?C:	This symbol, if defined, indicates that the shmat() routine is
-?C:	available to attach a shared memory segment to the process space.
-?C:.
-?H:#$d_shmat HAS_SHMAT		/**/
-?H:.
-?C:VOIDSHMAT:
-?C:	This symbol, if defined, indicates that the shmat() routine
-?C:	returns a pointer of type void*.  Otherwise, char* is assumed.
-?C:.
-?H:#$d_voidshmat	VOIDSHMAT		/**/
-?H:.
-?LINT:set d_shmat d_voidshmat
-: see if shmat exists
-set shmat d_shmat
-eval $inlibc
-: see what shmat returns
-d_voidshmat="$undef"
-case "$d_shmat" in
-define)
-    $cppstdin $cppflags $cppminus < $usrinc/sys/shm.h >voidshmat.txt 2>/dev/null
-    if $contains "void.*shmat" voidshmat.txt >/dev/null 2>&1; then
-	echo "and shmat returns (void*)"
-	d_voidshmat="$define"
-    else
-	echo "and shmat returns (char*)"
-    fi
-    ;;
-esac
diff --git a/U/d_strerror.U b/U/d_strerror.U
deleted file mode 100644
index 252d9df296..0000000000
--- a/U/d_strerror.U
+++ /dev/null
@@ -1,113 +0,0 @@
-?RCS: $Id: d_strerror.U,v 3.0.1.1 1994/01/24 14:08:56 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: d_strerror.U,v $
-?RCS: Revision 3.0.1.1  1994/01/24  14:08:56  ram
-?RCS: patch16: protected code looking for sys_errnolist[] with @if
-?RCS: patch16: added default value for d_sysernlst
-?RCS:
-?RCS: Revision 3.0  1993/08/18  12:07:35  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:d_strerror d_syserrlst d_sysernlst d_strerrm: contains Csym Findhdr
-?MAKE:	-pick add $@ %<
-?S:d_strerror:
-?S:	This variable conditionally defines HAS_STRERROR if strerror() is
-?S:	available to translate error numbers to strings.
-?S:.
-?S:d_syserrlst:
-?S:	This variable conditionally defines HAS_SYS_ERRLIST if sys_errlist[] is
-?S:	available to translate error numbers to strings.
-?S:.
-?S:d_sysernlst:
-?S:	This variable conditionally defines HAS_SYS_ERRNOLIST if sys_errnolist[]
-?S:	is available to translate error numbers to the symbolic name.
-?S:.
-?S:d_strerrm:
-?S:	This variable conditionally defines strerrr as a macro if the
-?S:	sys_errlist[] array is defined.
-?S:.
-?C:HAS_STRERROR (STRERROR):
-?C:	This symbol, if defined, indicates that the strerror routine is
-?C:	available to translate error numbers to strings. See the writeup
-?C:	of Strerror() in this file before you try to define your own.
-?C:.
-?C:HAS_SYS_ERRLIST (SYSERRLIST):
-?C:	This symbol, if defined, indicates that the sys_errlist array is
-?C:	available to translate error numbers to strings. The extern int
-?C:	sys_nerr gives the size of that table.
-?C:.
-?C:HAS_SYS_ERRNOLIST (SYSERRNOLIST):
-?C:	This symbol, if defined, indicates that the sys_errnolist array is
-?C:	available to translate an errno code into its symbolic name (e.g.
-?C: ENOENT). The extern int sys_nerrno gives the size of that table.
-?C:.
-?C:Strerror:
-?C:	This preprocessor symbol is defined as a macro if strerror() is
-?C:	not available to translate error numbers to strings but sys_errlist[]
-?C:	array is there.
-?C:.
-?H:#$d_strerror HAS_STRERROR		/**/
-?H:#$d_syserrlst HAS_SYS_ERRLIST	/**/
-?H:#$d_sysernlst HAS_SYS_ERRNOLIST	/**/
-?H:?%<:#ifdef HAS_STRERROR
-?H:?%<:#  define Strerror strerror
-?H:?%<:#else
-?H:#$d_strerrm Strerror(e) ((e)<0||(e)>=sys_nerr?"unknown":sys_errlist[e]) /**/
-?H:?%<:#endif
-?H:.
-?D:d_sysernlst=''
-?T:xxx val
-: see if strerror and/or sys_errlist[] exist
-echo " "
-if set strerror val -f d_strerror; eval $csym; $val; then
-	echo 'strerror() found.' >&4
-	d_strerror="$define"
-	d_strerrm="$undef"
-	if set sys_errlist val -a d_syserrlst; eval $csym; $val; then	
-		echo "(You also have sys_errlist[], so we could roll our own strerror.)" 
-		d_syserrlst="$define"
-	else
-	echo "(Since you don't have sys_errlist[], sterror() is welcome.)"
-		d_syserrlst="$undef"
-	fi
-elif xxx=`./findhdr string.h`; test "$xxx" || xxx=`./findhdr strings.h`; \
-	$contains '#[ 	]*define.*strerror' "$xxx" >/dev/null 2>&1; then
-	echo 'strerror() found in string header.' >&4
-	d_strerror="$define"
-	d_strerrm="$undef"
-	if set sys_errlist val -a d_syserrlst; eval $csym; $val; then	
-		echo "(Most probably, strerror() uses sys_errlist[] for descriptions.)"
-		d_syserrlst="$define"
-	else
-		echo "(You don't appear to have any sys_errlist[], how can this be?)"
-		d_syserrlst="$undef"
-	fi
-elif set sys_errlist val -a d_syserrlst; eval $csym; $val; then
-echo "strerror() not found, but you have sys_errlist[] so we'll use that." >&4
-	d_strerror="$undef"
-	d_syserrlst="$define"
-	d_strerrm="$define"
-else
-	echo 'strerror() and sys_errlist[] NOT found.' >&4
-	d_strerror="$undef"
-	d_syserrlst="$undef"
-	d_strerrm="$undef"
-fi
-@if d_sysernlst || HAS_SYS_ERRNOLIST
-if set sys_errnolist val -a d_sysernlst; eval $csym; $val; then
-	echo "(Symbolic error codes can be fetched via the sys_errnolist[] array.)"
-	d_sysernlst="$define"
-else
-	echo "(However, I can't extract the symbolic error code out of errno.)"
-	d_sysernlst="$undef"
-fi
-@end
-
diff --git a/U/d_vfork.U b/U/d_vfork.U
deleted file mode 100644
index fb674340e2..0000000000
--- a/U/d_vfork.U
+++ /dev/null
@@ -1,56 +0,0 @@
-?RCS: $Id: d_vfork.U,v 3.0.1.2 1993/10/16 13:49:39 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: d_vfork.U,v $
-?RCS: Revision 3.0.1.2  1993/10/16  13:49:39  ram
-?RCS: patch12: added magic for vfork()
-?RCS:
-?RCS: Revision 3.0.1.1  1993/09/13  16:06:57  ram
-?RCS: patch10: removed automatic remapping of vfork on fork (WAD)
-?RCS: patch10: added compatibility code for older config.sh (WAD)
-?RCS:
-?RCS: Revision 3.0  1993/08/18  12:07:55  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:d_vfork: Inlibc
-?MAKE:	-pick add $@ %<
-?S:d_vfork:
-?S:	This variable conditionally defines the HAS_VFORK symbol, which
-?S:	indicates the vfork() routine is available.
-?S:.
-?C:HAS_VFORK (VFORK):
-?C:	This symbol, if defined, indicates that vfork() exists.
-?C:.
-?H:#$d_vfork HAS_VFORK	/**/
-?H:.
-?M:vfork: HAS_VFORK
-?M:#ifndef HAS_VFORK
-?M:#define vfork fork
-?M:#endif
-?M:.
-?LINT:set d_vfork
-: see if there is a vfork
-set vfork d_vfork
-eval $inlibc
-: But do we want to use it.  vfork is reportedly unreliable in 
-: perl in Solaris 2.x, and probably elsewhere.
-case "$d_vfork" in
-define)
-    dflt='n'
-    rp="Some systems have problems with vork.  Do you want to use it?"
-    . ./myread
-    case "$ans" in
-    y|Y) ;;
-    *) echo "Ok, we won't use vfork."
-       d_vfork="$undef"
-       ;;
-    esac
-    ;;
-esac
diff --git a/U/dlsrc.U b/U/dlsrc.U
deleted file mode 100644
index 616818d346..0000000000
--- a/U/dlsrc.U
+++ /dev/null
@@ -1,230 +0,0 @@
-?RCS: $Id: dlsrc.U,v$
-?RCS:
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: dlsrc.U,v $
-?RCS:
-?X:  hpux support thanks to Jeff Okamoto <okamoto@hpcc101.corp.hp.com>
-?X: 
-?X:  To create a shared library, you must compile ALL source files in the
-?X:  library with +z (or possibly +Z if the library is whopping huge),
-?X:  then link the library with -b.  Example:
-?X:	  cc -c +z module_a.c
-?X:	  cc -c +z module_b.c
-?X:	  ld -b module_a.o module_b.o -o module.sl
-?X:  
-?MAKE:usedl dlsrc dlobj dldir cccdlflags lddlflags ccdlflags \
-	shlibsuffix: Getfile Myread test osname sed i_dlfcn Findhdr cc
-?MAKE:	-pick add $@ %<
-?S:usedl:
-?S:	This variable contains indicates if the the system supports dynamic
-?S:	loading of some sort.  See also dlsrc and dlobj.
-?S:.
-?S:dlsrc:
-?S:	This variable contains the name of the dynamic loading file that
-?S:	will be used with the package.
-?S:.
-?S:dlobj:
-?S:	This variable contains the name of the dynamic loading object
-?S:	file that will be used with the package.  This is used in Makefile.
-?S:.
-?S:dldir:
-?S:	This variable contains the directory from which to fetch dlsrc.
-?S:	It is up to the makefile to use it.
-?S:.
-?S:cccdlflags:
-?S:	This variable contains any special flags that might need to be
-?S:	passed with cc -c to compile modules to be used to create a shared
-?S:	library that will be used for dynamic loading.  For hpux, this 
-?S:	should be +z.  It is up to the makefile to use it.
-?S:.
-?S:lddlflags:
-?S:	This variable contains any special flags that might need to be
-?S:	passed to ld to create a shared library suitable for dynamic
-?S:	loading.  It is up to the makefile to use it.  For hpux, it
-?S:	should be -b.  For sunos 4.1, it is empty.
-?S:.
-?S:ccdlflags:
-?S:	This variable contains any special flags that might need to be
-?S:	passed to cc to link with a shared library for dynamic loading. 
-?S:	It is up to the makefile to use it.  For sunos 4.1, it should
-?S:	be empty.
-?S:.
-?S:shlibsuffix:
-?S:	Shared libraries are built by Makefile in the form
-?S:	lib/auto/xxx/xxx${shsuffix}, where xxx is
-?S:	the name of the library, e.g. /lib/auto/POSIX/POSIX.so 
-?S:.
-?C:USE_DYNAMIC_LOADING ~ %<:
-?C:	This symbol, if defined, indicates that dynamic loading of
-?C:	some sort is available.
-?C:.
-?H:?%<:#$usedl USE_DYNAMIC_LOADING		/**/
-?H:.
-?W:%<:dlopen
-?INIT:: File to use for dynamic loading
-?INIT:usedl=''
-?T:xxx
-?X:
-?X:  We select a default of 'define' for usedl if either dl_$osname.c
-?X:  exists or if i_dlfcn is defined (which probably means dl_sunos.c
-?X:  will work.)
-?X:
-: determine which dynamic loading, if any, to compile in
-echo " "
-case "$usedl" in
-'') case "$i_dlfcn" in
-    define) dflt='y' ;;
-    *)      dflt='n' ;;
-    esac
-    : Does a dl.c file exist for this operating system
-    $test -f ../ext/dl/dl_${osname}.c && dflt='y'
-    ;;
-define|y|true) dflt='y'
-    usedl="$define"
-    ;;
-*)  dflt='n'
-    ;;
-esac
-rp="Do you wish to attempt to use dynamic loading?"
-. ./myread
-usedl="$ans"
-case "$ans" in
-y*) usedl="$define"
-    if $test -f ../ext/dl/dl_${osname}.c ; then
-	dflt="ext/dl/dl_${osname}.c"
-    else
-	dflt='ext/dl/dl.c'
-    fi
-    echo "The following dynamic loading files are available:"
-    cd ..; ls -C ext/dl/dl*.c; cd UU
-    rp="Source file to use for dynamic loading"
-    fn="fne~"
-    . ./getfile
-    : emulate  basename and dirname
-    xxx=`echo $ans | $sed -e 's@.*/\([^/]*\)$@\1@' -e 's@\.c$@@'`
-    dlobj=$xxx.o
-    dlsrc=$xxx.c
-    dldir=`echo $ans | $sed 's@\(.*\)/[^/]*$@\1@'`
-    case "$dldir" in
-    '') dldir="." ;;
-    *) ;;
-    esac
-    if $test -f ../$dldir/$dlsrc; then
-        usedl="$define"
-    else
-	echo "File $dlsrc does not exist -- ignored"
-	usedl="$undef"
-    fi
-
-    cat << EOM
-
-Some systems may require passing special flags to $cc -c to
-compile modules that will be used to create a shared library.
-To use no flags, say "none".
-EOM
-    case "$cccdlflags" in
-    ''|' ') case "$osname" in
-			hpux)  dflt='+z' ;;
-			next)  dflt='none' ;;
-			sunos) dflt='none' ;;
-	        *)     dflt='none' ;;
-			esac
-			;;
-    *) dflt="$cccdlflags" ;;
-    esac
-    rp="Any special flags to pass to $cc -c to compile shared library modules?"
-    . ./myread
-    case "$ans" in
-    none) cccdlflags='' ;;
-    *) cccdlflags="$ans" ;;
-    esac
-
-    cat << 'EOM'
-
-Some systems may require passing special flags to ld to
-create a shared library.  To use no flags, say "none".
-EOM
-?X: I have received one report that NeXT requires -r here.
-?X: On SunOS 4.1.3, that makes the library no longer shared.
-    case "$lddlflags" in
-    ''|' ') case "$osname" in
-			hpux)  dflt='-b' ;;
-			next)  dflt='none' ;;
-			sunos) dflt='none' ;;
-	        *)     dflt='none' ;;
-			esac
-			;;
-    *) dflt="$lddlflags" ;;
-    esac
-    rp="Any special flags to pass to ld to create a shared library?"
-    . ./myread
-    case "$ans" in
-    none) lddlflags='' ;;
-    *) lddlflags="$ans" ;;
-    esac
-
-	cat <<EOM
-
-Some systems may require passing special flags to $cc to indicate that
-dynamic linking will be used.  To use no flags, say "none".
-EOM
-    case "$ccdlflags" in
-    ''|' ')
-		case "$osname" in
-		hpux)  dflt='none' ;;
-		next)  dflt='none' ;;
-		sunos) dflt='none' ;;
-	    *)     dflt='none' ;;
-		esac
-		;;
-    *)  dflt="$ccdlflags"
-	    ;;
-    esac
-    rp="Any special flags to pass to $cc to use dynamic loading?"
-    . ./myread
-    case "$ans" in
-    none) ccdlflags='' ;;
-    *) ccdlflags="$ans" ;;
-    esac
-	cat <<EOM
-
-Some systems may require using a special suffix for shared libraries.
-To create the shared library for POSIX, for example, you may need to
-actually build the file POSIX.so.
-
-EOM
-    case "$shlibsuffix" in
-	'')
-		case "$osname" in
-		hpux)  dflt='.sl' ;;
-		next)  dflt='.so' ;;
-		sunos) dflt='.so' ;;
-		*)     dflt='.so' ;;
-		esac
-		;;
-    *)  dflt="$shlibsuffix"
-	;;
-    esac
-    rp="What is the suffix used for shared libraries?"
-    . ./myread
-    case "$ans" in
-    none) shlibsuffix='' ;;
-    *) shlibsuffix="$ans" ;;
-    esac
-    ;;
-?X: End of usedl=y section
-*)  usedl="$undef"
-    : These are currently not used.
-    dlsrc=''
-    dlobj=''
-    dldir=''
-    lddlflags=''
-    ccdlflags=''
-    shlibsuffix='.o'
-    ;;
-esac
diff --git a/U/gidtype.U b/U/gidtype.U
deleted file mode 100644
index 962f3d8a6b..0000000000
--- a/U/gidtype.U
+++ /dev/null
@@ -1,54 +0,0 @@
-?RCS: $Id: gidtype.U,v 3.0 1993/08/18 12:08:11 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: gidtype.U,v $
-?RCS: Revision 3.0  1993/08/18  12:08:11  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:gidtype: Myread Oldconfig contains Findhdr Setvar
-?MAKE:	-pick add $@ %<
-?S:gidtype:
-?S:	This variable defines Gid_t to be something like gid_t, int,
-?S:	ushort, or whatever type is used to declare the return type
-?S:	of getgid().  Typically, it is the type of group ids in the kernel.
-?S:.
-?C:Gid_t (GIDTYPE):
-?C:	This symbol holds the return type of getgid() and the type of
-?C:	argument to setrgid() and related functions.  Typically,
-?C:	it is the type of group ids in the kernel.
-?C:	It can be int, ushort, uid_t, etc... It may be necessary to include
-?C:	<sys/types.h> to get any typedef'ed information.
-?C:.
-?H:#define Gid_t $gidtype		/* Type for getgid(), etc... */
-?H:.
-?T:xxx
-?INIT:gidtype=''
-: see what type gids are declared as in the kernel
-case "$gidtype" in
-'')
-	if $contains 'gid_t;' `./findhdr sys/types.h` >/dev/null 2>&1 ; then
-		dflt='gid_t';
-	else
-		xxx=`./findhdr sys/user.h`
-		set `grep 'groups\[NGROUPS\];' "$xxx" 2>/dev/null` unsigned short
-		case $1 in
-		unsigned) dflt="$1 $2" ;;
-		*) dflt="$1" ;;
-		esac
-	fi
-	;;
-*)  dflt="$gidtype";;
-esac
-echo " "
-rp="What is the type for group ids returned by getgid()?"
-. ./myread
-val="$ans"
-set gidtype
-eval $setvar
diff --git a/U/groupstype.U b/U/groupstype.U
deleted file mode 100644
index 355ea14980..0000000000
--- a/U/groupstype.U
+++ /dev/null
@@ -1,51 +0,0 @@
-?RCS: $Id: groupstype.U,v$
-?RCS:
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: groupstype.U,v $
-?RCS:
-?MAKE:groupstype: gidtype d_getgrps Myread Oldconfig Findhdr cat Setvar
-?MAKE:	-pick add $@ %<
-?INIT:groupstype=''
-?S:groupstype:
-?S:	This variable defines GROUPSTYPE to be something like gid_t, int, 
-?S:	ushort, or whatever type is used for the second argument to
-?S:	getgroups().  Usually, this is the same of gidtype, but
-?S:	sometimes it isn't.
-?S:.
-?C:GROUPSTYPE:
-?C:	This symbol holds the type used for the second argument to
-?C:	getgroups().  Usually, this is the same of gidtype, but
-?C:	sometimes it isn't.  It can be int, ushort, uid_t, etc... 
-?C:	It may be necessary to include <sys/types.h> to get any 
-?C:	typedef'ed information.  This is only required if you have
-?C:	getgroups().
-?C:.
-?H:?%<:#ifdef HAS_GETGROUPS
-?H:?%<:#define GROUPSTYPE $groupstype	/* Type for 2nd arg to getgroups() */
-?H:?%<:#endif
-?H:.
-?W:%<:getgroups HAS_GETGROUPS
-case "$d_getgrps" in
-'define')
-    case "$groupstype" in
-	'') dflt="$gidtype" ;;
-	*)  dflt="$groupstype" ;;
-    esac
-    echo " "
-    $cat <<EOM
-What is the type of the second argument to getgroups()?  Usually this
-is the same as group ids, $gidtype, but not always.
-EOM
-    rp="What type is the second arguement to getgroups()?"
-    . ./myread
-    val="$ans"
-    ;;
-*)  val="$gidtype";;
-esac
-set groupstype
-eval $setvar
diff --git a/U/i_dlfcn.U b/U/i_dlfcn.U
deleted file mode 100644
index dcffe126bf..0000000000
--- a/U/i_dlfcn.U
+++ /dev/null
@@ -1,27 +0,0 @@
-?RCS: $Id: i_dlfcn.U,v $
-?RCS:
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: i_dlfcn.U,v $
-?RCS:
-?MAKE:i_dlfcn: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_dlfcn:
-?S:	This variable conditionally defines the I_DLFCN symbol, which
-?S:	indicates to the C program that <dlfcn.h> exists and should
-?S:	be included.
-?S:.
-?C:I_DLFCN:
-?C:	This symbol, if defined, indicates that <dlfcn.h> exists and should
-?C:	be included.
-?C:.
-?H:#$i_dlfcn I_DLFCN		/**/
-?H:.
-?LINT:set i_dlfcn
-: see if dlfcn is available
-set dlfcn.h i_dlfcn
-eval $inhdr
diff --git a/U/i_net_errno.U b/U/i_net_errno.U
deleted file mode 100644
index c5fb9116a0..0000000000
--- a/U/i_net_errno.U
+++ /dev/null
@@ -1,50 +0,0 @@
-?RCS: $Id: i_net_errno.U,v $
-?RCS:
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: i_net_errno.U,v $
-?RCS:
-?MAKE:i_neterrno: Inhdr cc ccflags rm
-?MAKE:	-pick add $@ %<
-?S:i_neterrno:
-?S:	This variable conditionally defines the I_NET_ERRNO symbol, which
-?S:	indicates to the C program that <net/errno.h> exists and should
-?S:	be included.
-?S:.
-?C:I_NET_ERRNO:
-?C:	This symbol, if defined, indicates that <net/errno.h> exists and 
-?C:	should be included.
-?C:.
-?H:#$i_neterrno I_NET_ERRNO		/**/
-?H:.
-?LINT:set i_neterrno
-: see if net/errno.h is available
-set net/errno.h i_neterrno
-eval $inhdr
-: Unfortunately, it causes problems on some systems.  Arrgh.
-case '$i_neterrno' in
-'define') echo "<net/errno.h> found."
-    cat > try.c <<'EOM'
-#include <stdio.h>
-#include <errno.h>
-#include <net/errno.h>
-int func()
-{
-int x;
-x = ENOTSOCK;
-return x;
-}
-EOM
-    if $cc $ccflags -c try.c >/dev/null 2>&1; then
-	i_neterrno="$define"
-    else
-	echo "But it causes problems, so we won't include it"
-	i_neterrno="$undef"
-    fi
-    $rm -f try.* try
-    ;;
-esac
diff --git a/U/i_pwd.U b/U/i_pwd.U
deleted file mode 100644
index 69aa030706..0000000000
--- a/U/i_pwd.U
+++ /dev/null
@@ -1,134 +0,0 @@
-?RCS: $Id: i_pwd.U,v 3.0 1993/08/18 12:08:25 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: i_pwd.U,v $
-?RCS: Revision 3.0  1993/08/18  12:08:25  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?X:
-?X: This unit looks wether there is a pwd system or not
-?X:
-?MAKE:i_pwd d_pwquota d_pwage d_pwchange d_pwclass d_pwexpire d_pwcomment: \
-	test contains rm cppstdin cppflags cppminus Findhdr
-?MAKE:	-pick add $@ %<
-?S:i_pwd:
-?S:	This variable conditionally defines I_PWD, which indicates
-?S:	to the C program that it should include <pwd.h>.
-?S:.
-?S:d_pwquota:
-?S:	This varaible conditionally defines PWQUOTA, which indicates
-?S:	that struct passwd contains pw_quota.
-?S:.
-?S:d_pwage:
-?S:	This varaible conditionally defines PWAGE, which indicates
-?S:	that struct passwd contains pw_age.
-?S:.
-?S:d_pwchange:
-?S:	This varaible conditionally defines PWCHANGE, which indicates
-?S:	that struct passwd contains pw_change.
-?S:.
-?S:d_pwclass:
-?S:	This varaible conditionally defines PWCLASS, which indicates
-?S:	that struct passwd contains pw_class.
-?S:.
-?S:d_pwexpire:
-?S:	This varaible conditionally defines PWEXPIRE, which indicates
-?S:	that struct passwd contains pw_expire.
-?S:.
-?S:d_pwcomment:
-?S:	This varaible conditionally defines PWCOMMENT, which indicates
-?S:	that struct passwd contains pw_comment.
-?S:.
-?C:I_PWD:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <pwd.h>.
-?C:.
-?C:PWQUOTA:
-?C:	This symbol, if defined, indicates to the C program that struct passwd
-?C:	contains pw_quota.
-?C:.
-?C:PWAGE:
-?C:	This symbol, if defined, indicates to the C program that struct passwd
-?C:	contains pw_age.
-?C:.
-?C:PWCHANGE:
-?C:	This symbol, if defined, indicates to the C program that struct passwd
-?C:	contains pw_change.
-?C:.
-?C:PWCLASS:
-?C:	This symbol, if defined, indicates to the C program that struct passwd
-?C:	contains pw_class.
-?C:.
-?C:PWEXPIRE:
-?C:	This symbol, if defined, indicates to the C program that struct passwd
-?C:	contains pw_expire.
-?C:.
-?C:PWCOMMENT:
-?C:	This symbol, if defined, indicates to the C program that struct passwd
-?C:	contains pw_comment.
-?C:.
-?H:#$i_pwd I_PWD		/**/
-?H:#$d_pwquota PWQUOTA	/**/
-?H:#$d_pwage PWAGE	/**/
-?H:#$d_pwchange PWCHANGE	/**/
-?H:#$d_pwclass PWCLASS	/**/
-?H:#$d_pwexpire PWEXPIRE	/**/
-?H:#$d_pwcomment PWCOMMENT	/**/
-?H:.
-?T:xxx
-: see if this is a pwd system
-echo " "
-xxx=`./findhdr pwd.h`
-if $test "$xxx"; then
-	i_pwd="$define"
-	echo "<pwd.h> found." >&4
-	$cppstdin $cppflags $cppminus < $xxx >$$.h
-	if $contains 'pw_quota' $$.h >/dev/null 2>&1; then
-		d_pwquota="$define"
-	else
-		d_pwquota="$undef"
-	fi
-	if $contains 'pw_age' $$.h >/dev/null 2>&1; then
-		d_pwage="$define"
-	else
-		d_pwage="$undef"
-	fi
-	if $contains 'pw_change' $$.h >/dev/null 2>&1; then
-		d_pwchange="$define"
-	else
-		d_pwchange="$undef"
-	fi
-	if $contains 'pw_class' $$.h >/dev/null 2>&1; then
-		d_pwclass="$define"
-	else
-		d_pwclass="$undef"
-	fi
-	if $contains 'pw_expire' $$.h >/dev/null 2>&1; then
-		d_pwexpire="$define"
-	else
-		d_pwexpire="$undef"
-	fi
-	if $contains 'pw_comment' $$.h >/dev/null 2>&1; then
-		d_pwcomment="$define"
-	else
-		d_pwcomment="$undef"
-	fi
-	$rm -f $$.h
-else
-	i_pwd="$undef"
-	d_pwquota="$undef"
-	d_pwage="$undef"
-	d_pwchange="$undef"
-	d_pwclass="$undef"
-	d_pwexpire="$undef"
-	d_pwcomment="$undef"
-	echo "<pwd.h> NOT found." >&4
-fi
-
diff --git a/U/i_sdbm.U b/U/i_sdbm.U
deleted file mode 100644
index 3e01615670..0000000000
--- a/U/i_sdbm.U
+++ /dev/null
@@ -1,37 +0,0 @@
-?RCS: $Id: i_sdbm.U,v $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: i_sdbm.U,v $
-?RCS:
-?MAKE:i_sdbm: Inhdr package Setvar
-?MAKE:	-pick add $@ %<
-?S:i_sdbm:
-?S:	This variable conditionally defines the I_SDBM symbol, which
-?S:	indicates to the C program that sdbm.h exists and should
-?S:	be included.
-?S:.
-?C:I_SDBM (HAS_SDBM):
-?C:	This symbol, if defined, indicates that sdbm.h exists and should
-?C:	be included.
-?C:.
-?H:#$i_sdbm I_SDBM	/**/
-?H:.
-?LINT:set i_sdbm
-: see if sdbm.h is wanted
-?X: Since perl includes sdbm, don't ask here.  Always include it.
-?X: But, we'll allow a hints file to over-rule us.
-echo " "
-echo "$package includes an implementation of sdbm in ext/dbm/sdbm."
-case "$i_sdbm" in
-    ''|' ') val="$define" ;;
-    *) val="$i_sdbm" ;;
-esac
-set i_sdbm
-eval $setvar
diff --git a/U/i_sgtty.U b/U/i_sgtty.U
deleted file mode 100644
index b890d78811..0000000000
--- a/U/i_sgtty.U
+++ /dev/null
@@ -1,128 +0,0 @@
-?MAKE:i_sgtty: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_sgtty:
-?S:	This variable conditionally defines the I_SGTTY symbol, and
-?S:	indicates whether a C program should include <sgtty.h>.
-?S:.
-?C:I_SGTTY:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <sgtty.h>.
-?C:.
-?H:#$i_sgtty I_SGTTY          /**/
-?H:.
-?LINT:set i_sgtty
-: see if this is a sgtty.h system
-set sgtty.h i_sgtty
-eval $inhdr
-?MAKE:i_sgtty: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_sgtty:
-?S:	This variable conditionally defines the I_SGTTY symbol, and
-?S:	indicates whether a C program should include <sgtty.h>.
-?S:.
-?C:I_SGTTY:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <sgtty.h>.
-?C:.
-?H:#$i_sgtty I_SGTTY          /**/
-?H:.
-?LINT:set i_sgtty
-: see if this is a sgtty.h system
-set sgtty.h i_sgtty
-eval $inhdr
-?MAKE:i_sgtty: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_sgtty:
-?S:	This variable conditionally defines the I_SGTTY symbol, and
-?S:	indicates whether a C program should include <sgtty.h>.
-?S:.
-?C:I_SGTTY:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <sgtty.h>.
-?C:.
-?H:#$i_sgtty I_SGTTY          /**/
-?H:.
-?LINT:set i_sgtty
-: see if this is a sgtty.h system
-set sgtty.h i_sgtty
-eval $inhdr
-?MAKE:i_sgtty: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_sgtty:
-?S:	This variable conditionally defines the I_SGTTY symbol, and
-?S:	indicates whether a C program should include <sgtty.h>.
-?S:.
-?C:I_SGTTY:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <sgtty.h>.
-?C:.
-?H:#$i_sgtty I_SGTTY          /**/
-?H:.
-?LINT:set i_sgtty
-: see if this is a sgtty.h system
-set sgtty.h i_sgtty
-eval $inhdr
-?MAKE:i_sgtty: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_sgtty:
-?S:	This variable conditionally defines the I_SGTTY symbol, and
-?S:	indicates whether a C program should include <sgtty.h>.
-?S:.
-?C:I_SGTTY:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <sgtty.h>.
-?C:.
-?H:#$i_sgtty I_SGTTY          /**/
-?H:.
-?LINT:set i_sgtty
-: see if this is a sgtty.h system
-set sgtty.h i_sgtty
-eval $inhdr
-?MAKE:i_sgtty: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_sgtty:
-?S:	This variable conditionally defines the I_SGTTY symbol, and
-?S:	indicates whether a C program should include <sgtty.h>.
-?S:.
-?C:I_SGTTY:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <sgtty.h>.
-?C:.
-?H:#$i_sgtty I_SGTTY          /**/
-?H:.
-?LINT:set i_sgtty
-: see if this is a sgtty.h system
-set sgtty.h i_sgtty
-eval $inhdr
-?MAKE:i_sgtty: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_sgtty:
-?S:	This variable conditionally defines the I_SGTTY symbol, and
-?S:	indicates whether a C program should include <sgtty.h>.
-?S:.
-?C:I_SGTTY:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <sgtty.h>.
-?C:.
-?H:#$i_sgtty I_SGTTY          /**/
-?H:.
-?LINT:set i_sgtty
-: see if this is a sgtty.h system
-set sgtty.h i_sgtty
-eval $inhdr
-?MAKE:i_sgtty: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_sgtty:
-?S:	This variable conditionally defines the I_SGTTY symbol, and
-?S:	indicates whether a C program should include <sgtty.h>.
-?S:.
-?C:I_SGTTY:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <sgtty.h>.
-?C:.
-?H:#$i_sgtty I_SGTTY          /**/
-?H:.
-?LINT:set i_sgtty
-: see if this is a sgtty.h system
-set sgtty.h i_sgtty
-eval $inhdr
diff --git a/U/i_termio.U b/U/i_termio.U
deleted file mode 100644
index f1eb947503..0000000000
--- a/U/i_termio.U
+++ /dev/null
@@ -1,117 +0,0 @@
-?RCS: $Id: i_termio.U,v 3.0 1993/08/18 12:08:44 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: i_termio.U,v $
-?RCS: Revision 3.0  1993/08/18  12:08:44  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?X:
-?X:	Include all three (possible) definitions in config_h.SH.
-?X:	There are enough implementations of posix termios.h out there 
-?X:	that do not work well with other system headers or are
-?X:	incomplete.  This makes it easier for the user to back off 
-?X:	and try sgtty.h or i_termio.h instead.
-?X:
-?MAKE:i_termio i_sgtty i_termios: test Inlibc Cppsym Guess Setvar Findhdr
-?MAKE:	-pick add $@ %<
-?S:i_termio:
-?S:	This variable conditionally defines the I_TERMIO symbol, which
-?S:	indicates to the C program that it should include <termio.h> rather
-?S:	than <sgtty.h>.
-?S:.
-?S:i_termios:
-?S:	This variable conditionally defines the I_TERMIOS symbol, which
-?S:	indicates to the C program that the POSIX <termios.h> file is
-?S:	to be included.
-?S:.
-?S:i_sgtty:
-?S:	This variable conditionally defines the I_SGTTY symbol, which
-?S:	indicates to the C program that it should include <sgtty.h> rather
-?S:	than <termio.h>.
-?S:.
-?C:I_TERMIO ~ %<:
-?C:	This symbol, if defined, indicates that the program should include
-?C:	<termio.h> rather than <sgtty.h>.  There are also differences in
-?C:	the ioctl() calls that depend on the value of this symbol.
-?C:.
-?C:I_TERMIOS ~ %<:
-?C:	This symbol, if defined, indicates that the program should include
-?C:	the POSIX termios.h rather than sgtty.h or termio.h.
-?C:	There are also differences in the ioctl() calls that depend on the
-?C:	value of this symbol.
-?C:.
-?C:I_SGTTY ~ %<:
-?C:	This symbol, if defined, indicates that the program should include
-?C:	<sgtty.h> rather than <termio.h>.  There are also differences in
-?C:	the ioctl() calls that depend on the value of this symbol.
-?C:.
-?H:?%<:#$i_termio I_TERMIO		/**/
-?H:?%<:#$i_termios I_TERMIOS		/**/
-?H:?%<:#$i_sgtty I_SGTTY		/**/
-?H:.
-?T:val2 val3
-?LINT:set i_termio i_sgtty i_termios
-: see if this is a termio system
-val="$undef"
-val2="$undef"
-val3="$undef"
-?X: Prefer POSIX-approved termios.h over all else
-if $test `./findhdr termios.h`; then
-	set tcsetattr i_termios
-	eval $inlibc
-	val3="$i_termios"
-fi
-echo " "
-case "$val3" in
-"$define") echo "You have POSIX termios.h... good!" >&4;;
-*) if Cppsym pyr; then
-		case "`/bin/universe`" in
-		ucb) if $test `./findhdr sgtty.h`; then
-				val2="$define"
-				echo "<sgtty.h> found." >&4
-			else
-				echo "System is pyramid with BSD universe."
-				echo "<sgtty.h> not found--you could have problems." >&4
-			fi;;
-		*) if $test `./findhdr termio.h`; then
-				val="$define"
-				echo "<termio.h> found." >&4
-			else
-				echo "System is pyramid with USG universe."
-				echo "<termio.h> not found--you could have problems." >&4
-			fi;;
-		esac
-?X: Start with USG to avoid problems if both usg/bsd was guessed
-	elif usg; then
-		if $test `./findhdr termio.h`; then
-			echo "<termio.h> found." >&4
-			val="$define"
-		elif $test `./findhdr sgtty.h`; then
-			echo "<sgtty.h> found." >&4
-			val2="$define"
-		else
-echo "Neither <termio.h> nor <sgtty.h> found--you could have problems." >&4
-		fi
-	else
-		if $test `./findhdr sgtty.h`; then
-			echo "<sgtty.h> found." >&4
-			val2="$define"
-		elif $test `./findhdr termio.h`; then
-			echo "<termio.h> found." >&4
-			val="$define"
-		else
-echo "Neither <sgtty.h> nor <termio.h> found--you could have problems." >&4
-		fi
-	fi;;
-esac
-set i_termio; eval $setvar
-val=$val2; set i_sgtty; eval $setvar
-val=$val3; set i_termios; eval $setvar
-
diff --git a/U/i_termios.U b/U/i_termios.U
deleted file mode 100644
index f676710e40..0000000000
--- a/U/i_termios.U
+++ /dev/null
@@ -1,64 +0,0 @@
-?MAKE:i_termios: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_termios:
-?S:	This variable conditionally defines the I_TERMIOS symbol, and
-?S:	indicates whether a C program should include <sys/termios.h>.
-?S:.
-?C:I_TERMIOS:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <termios.h>.
-?C:.
-?H:#$i_termios I_TERMIOS          /**/
-?H:.
-?LINT:set i_termios
-: see if this is a termios.h system
-set termios.h i_termios
-eval $inhdr
-?MAKE:i_termios: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_termios:
-?S:	This variable conditionally defines the I_TERMIOS symbol, and
-?S:	indicates whether a C program should include <sys/termios.h>.
-?S:.
-?C:I_TERMIOS:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <termios.h>.
-?C:.
-?H:#$i_termios I_TERMIOS          /**/
-?H:.
-?LINT:set i_termios
-: see if this is a termios.h system
-set termios.h i_termios
-eval $inhdr
-?MAKE:i_termios: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_termios:
-?S:	This variable conditionally defines the I_TERMIOS symbol, and
-?S:	indicates whether a C program should include <sys/termios.h>.
-?S:.
-?C:I_TERMIOS:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <termios.h>.
-?C:.
-?H:#$i_termios I_TERMIOS          /**/
-?H:.
-?LINT:set i_termios
-: see if this is a termios.h system
-set termios.h i_termios
-eval $inhdr
-?MAKE:i_termios: Inhdr
-?MAKE:	-pick add $@ %<
-?S:i_termios:
-?S:	This variable conditionally defines the I_TERMIOS symbol, and
-?S:	indicates whether a C program should include <sys/termios.h>.
-?S:.
-?C:I_TERMIOS:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include <termios.h>.
-?C:.
-?H:#$i_termios I_TERMIOS          /**/
-?H:.
-?LINT:set i_termios
-: see if this is a termios.h system
-set termios.h i_termios
-eval $inhdr
diff --git a/U/i_vfork.U b/U/i_vfork.U
deleted file mode 100644
index 19af424af1..0000000000
--- a/U/i_vfork.U
+++ /dev/null
@@ -1,34 +0,0 @@
-?RCS: $Id: i_vfork.U,v 3.0 1993/08/18 12:08:50 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: i_vfork.U,v $
-?RCS: Revision 3.0  1993/08/18  12:08:50  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:i_vfork: Inhdr d_vfork
-?MAKE:	-pick add $@ %<
-?S:i_vfork:
-?S:	This variable conditionally defines the I_VFORK symbol, and indicates
-?S:	whether a C program should include vfork.h.
-?S:.
-?C:I_VFORK:
-?C:	This symbol, if defined, indicates to the C program that it should
-?C:	include vfork.h.
-?C:.
-?H:#$i_vfork I_VFORK	/**/
-?H:.
-?LINT:set i_vfork
-: see if this is a vfork system
-case "$d_vfork" in
-define) set vfork.h i_vfork
-	eval $inhdr
-	;;
-*)      i_vfork="$undef";;
-esac
diff --git a/U/libc.U b/U/libc.U
deleted file mode 100644
index 9f497f1ba0..0000000000
--- a/U/libc.U
+++ /dev/null
@@ -1,288 +0,0 @@
-?RCS: $Id: libc.U,v 3.0.1.3 1994/01/24 14:12:17 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: libc.U,v $
-?RCS: Revision 3.0.1.3  1994/01/24  14:12:17  ram
-?RCS: patch16: can now export nm_extract as an internal-use only variable
-?RCS:
-?RCS: Revision 3.0.1.2  1993/09/13  16:09:03  ram
-?RCS: patch10: added special handling for Apollo systems (WAD)
-?RCS:
-?RCS: Revision 3.0.1.1  1993/08/27  14:40:03  ram
-?RCS: patch7: added entry for /usr/shlib/libc.so (OSF/1 machines)
-?RCS:
-?RCS: Revision 3.0  1993/08/18  12:08:57  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:libc +nm_extract: echo n c rm test grep Getfile Myread Oldconfig Loc \
-	sed libs incpath libpth runnm nm_opt contains plibpth xlibpth
-?MAKE:	-pick add $@ %<
-?S:libc:
-?S:	This variable contains the location of the C library.
-?S:.
-?S:nm_extract:
-?S:	This variable holds the name of the extraction command used to process
-?S:	the output of nm and yield the list of defined symbols. It is used
-?S:	internally by Configure.
-?S:.
-?T:thislib try libnames xxx xscan xrun thisname com tans
-?LINT:change libpth nm_opt
-case "$runnm" in
-true)
-?X: indentation is wrong on purpose--RAM
-: get list of predefined functions in a handy place
-echo " "
-case "$libc" in
-'') libc=unknown
-	case "$libs" in
-	*-lc_s*) libc=`./loc libc_s.a $libc $libpth`
-	esac
-	;;
-esac
-libpth="$plibpth $libpth"
-libnames='';
-case "$libs" in
-'') ;;
-*)  for thislib in $libs; do
-	case "$thislib" in
-	-l*)
-		thislib=`expr X$thislib : 'X-l\(.*\)'`
-		try=`./loc lib$thislib.a blurfl/dyick $libpth`
-		if test ! -f $try; then
-			try=`./loc lib$thislib blurfl/dyick $libpth`
-			if test ! -f $try; then
-				try=`./loc lib$thislib.so.'*' blurfl/dyick $libpth`
-				if test ! -f $try; then
-					try=`./loc $thislib blurfl/dyick $libpth`
-					if test ! -f $try; then
-						try=`./loc Slib$thislib.a blurfl/dyick $xlibpth`
-						if test ! -f $try; then
-							try=''
-						fi
-					fi
-				fi
-			fi
-		fi
-		libnames="$libnames $try"
-		;;
-	*) libnames="$libnames $thislib" ;;
-	esac
-	done
-	;;
-esac
-?X:
-?X: Some systems (e.g. DG/UX) use "environmental" links, which make the test
-?X: -f fail. Ditto for symbolic links. So in order to reliably check the
-?X: existence of a file, we use test -r. It will still fail with DG/UX links 
-?X: though, but at least it will detect symbolic links. At some strategic
-?X: points, we make use of (test -h), using a sub-shell in case builtin test
-?X: does not implement the -h check for symbolic links. This makes it
-?X: possible to preset libc in a hint file for instance and have it show up
-?X: as-is in the question.
-?X:
-xxx=normal
-case "$libc" in
-unknown)
-	set /usr/ccs/lib/libc.so
-	$test -r $1 || set /usr/lib/libc.so
-	$test -r $1 || set /usr/shlib/libc.so
-	$test -r $1 || set /usr/lib/libc.so.[0-9]*
-	$test -r $1 || set /lib/libsys_s.a
-	eval set \$$#
-	;;
-*)
-?X: ensure the test below for the (shared) C library will fail
-	set blurfl
-	;;
-esac
-if $test -r "$1"; then
-	echo "Your (shared) C library seems to be in $1."
-	libc="$1"
-elif $test -r /lib/libc && $test -r /lib/clib; then
-?X:
-?X: Apollo has its C library in /lib/clib AND /lib/libc
-?X: not to mention its math library in /lib/syslib...
-?X:
-	echo "Your C library seems to be in both /lib/clib and /lib/libc."
-	xxx=apollo
-	libc='/lib/clib /lib/libc'
-	if $test -r /lib/syslib; then
-		echo "(Your math library is in /lib/syslib.)"
-?X: Put syslib in libc -- not quite right, but won't hurt
-		libc="$libc /lib/syslib"
-	fi
-elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
-	echo "Your C library seems to be in $libc, as you said before."
-?X: For mips, and...
-elif $test -r $incpath/usr/lib/libc.a; then
-	libc=$incpath/usr/lib/libc.a;
-	echo "Your C library seems to be in $libc.  That's fine."
-elif $test -r /lib/libc.a; then
-	libc=/lib/libc.a;
-	echo "Your C library seems to be in $libc.  You're normal."
-else
-	if tans=`./loc libc.a blurfl/dyick $libpth`; $test -r "$tans"; then
-		:
-	elif tans=`./loc libc blurfl/dyick $libpth`; $test -r "$tans"; then
-		libnames="$libnames "`./loc clib blurfl/dyick $libpth`
-	elif tans=`./loc clib blurfl/dyick $libpth`; $test -r "$tans"; then
-		:
-	elif tans=`./loc Slibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then
-		:
-	elif tans=`./loc Mlibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then
-		:
-	else
-		tans=`./loc Llibc.a blurfl/dyick $xlibpth`
-	fi
-	if $test -r "$tans"; then
-		echo "Your C library seems to be in $tans, of all places."
-		libc=$tans
-	else
-		libc='blurfl'
-	fi
-fi
-if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
-	dflt="$libc"
-	cat <<EOM
-
-If the guess above is wrong (which it might be if you're using a strange
-compiler, or your machine supports multiple models), you can override it here.
-
-EOM
-else
-	dflt=''
-	echo $libpth | tr ' ' '\012' | sort | uniq > libpath
-	cat >&4 <<EOM
-I can't seem to find your C library.  I've looked in the following places:
-
-EOM
-	$sed 's/^/	/' libpath
-	cat <<EOM
-
-None of these seems to contain your C library. I need to get its name...
-
-EOM
-fi
-fn=f
-rp='Where is your C library?'
-. ./getfile
-libc="$ans"
-
-echo " "
-echo $libc $libnames | tr ' ' '\012' | sort | uniq > libnames
-set X `cat libnames`
-shift
-xxx=files
-case $# in 1) xxx=file; esac
-echo "Extracting names from the following $xxx for later perusal:" >&4
-echo " "
-$sed 's/^/	/' libnames >&4
-echo " "
-$echo $n "This may take a while...$c" >&4
-
-nm $nm_opt $* 2>/dev/null >libc.tmp
-$echo $n ".$c"
-?X:
-?X: To accelerate processing, we look at the correct 'sed' command
-?X:	by using a small subset of libc.tmp, i.e. fprintf function.
-?X: When we know which sed command to use, do the name extraction
-?X:
-$grep fprintf libc.tmp > libc.ptf
-?X:
-?X: In order to ehance readability and save some space, we define
-?X:	some variables that will be "eval"ed.
-?X:
-xscan='eval "<libc.ptf $com >libc.list"; $echo $n ".$c" >&4'
-xrun='eval "<libc.tmp $com >libc.list"; echo "done" >&4'
-?X: BSD-like output
-if com="$sed -n -e 's/^.* [ADTS]  *_[_.]*//p' -e 's/^.* [ADTS] //p'";\
-	eval $xscan;\
-	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
-		eval $xrun
-?X: SYSV-like output
-elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\
-	eval $xscan;\
-	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
-		eval $xrun
-elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\
-	eval $xscan;\
-	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
-		eval $xrun
-elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\
-	eval $xscan;\
-	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
-		eval $xrun
-elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\
-	eval $xscan;\
-	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
-		eval $xrun
-elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\
-	eval $xscan;\
-	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
-		eval $xrun
-elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \
-				-e '/ file/d' -e 's/^\([^ 	]*\).*/\1/p'";\
-	eval $xscan;\
-	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
-		eval $xrun
-elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\
-	eval $xscan;\
-	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
-		eval $xrun
-?X: mips nm output (sysV)
-elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\
-	eval $xscan;\
-	$contains '^fprintf$' libc.list >/dev/null 2>&1; then
-		eval $xrun
-else
-	nm -p $* 2>/dev/null >libc.tmp
-	com="$sed -n -e 's/^.* [ADTS]  *_[_.]*//p' -e 's/^.* [ADTS] //p'";\
-	eval "<libc.tmp $com >libc.list"
-	if $contains '^fprintf$' libc.list >/dev/null 2>&1; then
-		nm_opt='-p'
-		echo "done" >&4
-	else
-		echo " "
-		echo "nm didn't seem to work right. Trying ar instead..." >&4
-		com=''
-		if ar t $libc > libc.tmp; then
-			for thisname in $libnames; do
-				ar t $thisname >>libc.tmp
-			done
-			$sed -e 's/\.o$//' < libc.tmp > libc.list
-			echo "Ok." >&4
-		else
-			echo "ar didn't seem to work right." >&4
-			echo "Maybe this is a Cray...trying bld instead..." >&4
-			if bld t $libc | $sed -e 's/.*\///' -e 's/\.o:.*$//' > libc.list; then
-				for thisname in $libnames; do
-					bld t $libnames | \
-					$sed -e 's/.*\///' -e 's/\.o:.*$//' >>libc.list
-					ar t $thisname >>libc.tmp
-				done
-				echo "Ok." >&4
-			else
-				echo "That didn't work either.  Giving up." >&4
-				exit 1
-			fi
-		fi
-	fi
-fi
-nm_extract="$com"
-if $test -f /lib/syscalls.exp; then
-	echo " "
-	echo "Also extracting names from /lib/syscalls.exp for good ole AIX..." >&4
-	$sed -n 's/^\([^ 	]*\)[ 	]*syscall$/\1/p' /lib/syscalls.exp >>libc.list
-fi
-?X: remember, indentation is wrong on purpose--RAM
-;;
-esac
-$rm -f libnames libpath
-
diff --git a/U/libpth.U b/U/libpth.U
deleted file mode 100644
index 2c030c296c..0000000000
--- a/U/libpth.U
+++ /dev/null
@@ -1,74 +0,0 @@
-?RCS: $Id: libpth.U,v 3.0 1993/08/18 12:09:02 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: libpth.U,v $
-?RCS: Revision 3.0  1993/08/18  12:09:02  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?X:
-?X:	This unit initializes the path for C library lookup.
-?X:
-?MAKE:libpth xlibpth plibpth: mips incpath test cat Myread
-?MAKE:	-pick add $@ %<
-?S:libpth:
-?S:	This variable holds the general path used to find libraries. It is
-?S:	intended to be used by other units.
-?S:.
-?S:plibpth:
-?S:	Holds the private path used by Configure to find out the libraries.
-?S:	Its value is prepended to libpth. This variable takes care of special
-?S:	machines, like the mips.  Usually, it should be empty.
-?S:.
-?T: xxx yyy
-?INIT:: change the next line if compiling for Xenix/286 on Xenix/386
-?INIT:xlibpth='/usr/lib/386 /lib/386'
-?INIT:
-?INIT:: general looking path for locating libraries
-?INIT:libpth="/usr/lib/large /lib /usr/lib $xlibpth /lib/large"
-?INIT:libpth="$libpth /usr/lib/small /lib/small"
-?INIT:libpth="$libpth /usr/ccs/lib /usr/ucblib /usr/local/lib"
-?INIT:
-?INIT:: Private path used by Configure to find libraries.  Its value
-?INIT:: is prepend to libpth. This variable takes care of special
-?INIT:: machines, like the mips.  Usually, it should be empty.
-?INIT:plibpth=''
-?INIT:
-?LINT:describe xlibpth
-?LINT:use mips
-: Set private lib path
-case "$plibpth" in
-'') if mips; then
-?X: on mips, we DO NOT want /lib, and we want $incpath/usr/lib
-		plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
-	fi;;
-esac
-libpth="$plibpth $libpth"
-: Now check and see which directories actually exist.
-xxx=''
-for yyy in $libpth
-do
-    if $test -d $yyy; then
-		xxx="$xxx $yyy"
-    fi
-done
-libpth="$xxx"
-$cat <<EOM
-Some systems have incompatible or broken versions of libraries.  Where
-should I look for libraries?
-EOM
-
-dflt="$libpth"
-echo " "
-rp="Directories to use for library searches?"
-. ./myread
-case "$ans" in
-none) libpth=' ';;
-*) libpth="$ans";;
-esac
diff --git a/U/libs.U b/U/libs.U
deleted file mode 100644
index 45625abc1b..0000000000
--- a/U/libs.U
+++ /dev/null
@@ -1,131 +0,0 @@
-?RCS: $Id: libs.U,v 3.0.1.1 1993/08/25 14:02:31 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: libs.U,v $
-?RCS: Revision 3.0.1.1  1993/08/25  14:02:31  ram
-?RCS: patch6: added default for libs
-?RCS:
-?RCS: Revision 3.0  1993/08/18  12:09:03  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:libs: test cat Myread Oldconfig Loc libpth package xlibpth
-?MAKE:	-pick add $@ %<
-?S:libs:
-?S:	This variable holds the additional libraries we want to use.
-?S: It is up to the Makefile to deal with it.
-?S:.
-?T:xxx yyy zzz thislib thatlib libswanted
-?D:libs=''
-?X:
-?X: This order is chosen so that libraries  -lndir, -ldir, -lucb, -lbsd,
-?X: -lBSD, -lPW, and -lx only get used if there are unresolved
-?X: routines at link time.  Usually, these are backwards compatability
-?X: libraries, and may not be as reliable as the standard c library.
-?X:
-?X: The -lsocket -linet -lnsl order has been reported to be necessary
-?X: for at least one SVR4 implementation.
-?X:
-?X: The ordering of c_s, posix, and cposix is a guess and almost
-?X: certainly wrong on about half of all systems.
-?X:
-?X: The extra space at the beginning and end is for some old hints
-?X: files which assumed there was always a space around each library.
-?X:
-?INIT:libswanted=" net socket inet nsl nm sdbm gdbm ndbm dbm malloc dl dld sun m c_s posix cposix ndir dir ucb bsd BSD PW x "
-?INIT:
-: Looking for optional libraries
-echo " "
-echo "Checking for optional libraries..." >&4
-case "$libs" in
-' '|'') dflt='';;
-*) dflt="$libs";;
-esac
-case "$libswanted" in
-'') libswanted='c_s';;
-esac
-for thislib in $libswanted; do
-	case "$thislib" in
-	dbm) thatlib=ndbm;;
-	*_s) thatlib=NONE;;
-	*) thatlib=${thislib}_s;;
-	esac
-	xxx=`./loc lib$thislib.a X $libpth`
-	yyy=`./loc lib$thatlib.a X $libpth`
-	zzz=`./loc lib$thislib.so.[0-9]'*' X $libpth`
-	if $test -f $xxx; then
-		echo "Found -l$thislib."
-		case "$dflt" in
-		*"-l$thislib "*|*-l$thislib|*"-l$thatlib "*|*-l$thatlib) ;;
-		*) dflt="$dflt -l$thislib";;
-		esac
-	elif $test -f $yyy; then
-		echo "Found -l$thatlib."
-		case "$dflt" in
-		*"-l$thatlib "*|*-l$thatlib) ;;
-		*) dflt="$dflt -l$thatlib";;
-		esac
-	elif $test -f $zzz; then
-		echo "Found -$thislib."
-		case "$dflt" in
-		*"-l$thislib "*|*-l$thislib) ;;
-		*) dflt="$dflt -l$thislib";;
-		esac
-	else
-		xxx=`./loc Slib$thislib.a X $xlibpth`
-		yyy=`./loc Slib$thatlib.a X $xlibpth`
-		if $test -f $xxx; then
-			echo "Found -l$thislib."
-			case "$dflt" in
-			*"-l$thislib "*|*-l$thislib|*"-l$thatlib "*|*-l$thatlib) ;;
-			*) dflt="$dflt -l$thislib";;
-			esac
-		elif $test -f $yyy; then
-			echo "Found -l$thatlib."
-			case "$dflt" in
-			*"-l$thatlib "*|*-l$thatlib) ;;
-			*) dflt="$dflt -l$thatlib";;
-			esac
-		else
-			echo "No -l$thislib."
-		fi
-	fi
-done
-set X $dflt
-shift
-dflt="$*"
-case "$libs" in
-'') dflt="$dflt";;
-*) dflt="$libs";;
-esac
-case "$dflt" in
-' '|'') dflt='none';;
-esac
-
-$cat <<EOM
- 
-Some versions of Unix support shared libraries, which make executables smaller
-but make load time slightly longer.
-
-On some systems, mostly newer Unix System V's, the shared library is included
-by putting the option "-lc_s" as the last thing on the cc command line when
-linking.  Other systems use shared libraries by default.  There may be other
-libraries needed to compile $package on your machine as well.  If your system
-needs the "-lc_s" option, include it here.  Include any other special libraries
-here as well.  Say "none" for none.
-EOM
-
-echo " "
-rp="Any additional libraries?"
-. ./myread
-case "$ans" in
-none) libs=' ';;
-*) libs="$ans";;
-esac
-
diff --git a/U/libyacc.U b/U/libyacc.U
deleted file mode 100644
index c12e5a5ad1..0000000000
--- a/U/libyacc.U
+++ /dev/null
@@ -1,60 +0,0 @@
-?RCS: $Id: libyacc.U,v 3.0.1.1 1994/01/24 14:13:49 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: libyacc.U,v $
-?RCS: Revision 3.0.1.1  1994/01/24  14:13:49  ram
-?RCS: patch16: un-obsoleted this unit for smooth yacc compilations
-?RCS:
-?RCS: Revision 3.0  1993/08/18  12:09:04  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:libyacc: Loc yacc libpth test
-?MAKE:	-pick add $@ %<
-?S:libyacc:
-?S:	This variable contains the argument to pass to the loader in order
-?S:	to get the yacc library routines.  If there is no yacc or yacc
-?S:	library, it is null.
-?S:.
-?T:xxx
-: see if we should include -ly
-echo " "
-case "$yacc" in
-*byacc*)
-	echo "You are using byacc, so I won't look for a yacc library." >&4
-	libyacc=''
-	;;
-*yacc)
-	if $test -r /usr/lib/liby.a || $test -r /usr/local/lib/liby.a ; then
-		echo "-ly found." >&4
-		libyacc='-ly'
-	else
-		xxx=`./loc liby.a x $libpth`
-		case "$xxx" in
-		x)
-			echo "No yacc library found." >&4
-			libyacc=''
-			;;
-		*)
-			echo "yacc library found in $xxx." >&4
-			libyacc="$xxx"
-			;;
-		esac
-	fi
-	;;
-*bison*)
-	echo "You are using bison, so I won't look for a yacc library." >&4
-	libyacc=''
-	;;
-*)
-echo "You don't seem to have yacc, so I won't look for the yacc library." >&4
-	libyacc=''
-	;;
-esac
-
diff --git a/U/lns.U b/U/lns.U
deleted file mode 100644
index fcefb1fa32..0000000000
--- a/U/lns.U
+++ /dev/null
@@ -1,21 +0,0 @@
-?RCS: $Id: lns.U,v $
-?RCS:
-?RCS: $Log: lns.U,v $
-?RCS:
-?MAKE:lns: ln touch
-?MAKE:	-pick add $@ %<
-?S:lns:
-?S:	This variable holds the name of the command to make 
-?S:	symbolic links (if they are supported).  It can be used
-?S:	in the Makefile. It is either 'ln -s' or 'ln'
-?S:.
-?X:  We can't rely on d_symlink because that may be listed in the
-?X:  C library but unimplemented.
-: determine whether symbolic links are supported
-$touch blurfl
-if $ln -s blurfl sym > /dev/null 2>&1 ; then
-    lns="$ln -s"
-else
-    lns="$ln"
-fi
-rm -f blurfl sym
diff --git a/U/loc_sed.U b/U/loc_sed.U
deleted file mode 100644
index 9eb8b21e14..0000000000
--- a/U/loc_sed.U
+++ /dev/null
@@ -1,10 +0,0 @@
-?RCS: $Id: loc_sed.U,v $
-?RCS:
-?MAKE:: sed
-?MAKE:	-pick add $@ %<
-?C:LOC_SED:
-?C:	This symbol holds the complete pathname to the sed program.
-?C:.
-?H:#define LOC_SED 	"$sed"	/**/
-?H:.
-?X: This is used in perl.c.
diff --git a/U/mallocsrc.U b/U/mallocsrc.U
deleted file mode 100644
index 9fd5382533..0000000000
--- a/U/mallocsrc.U
+++ /dev/null
@@ -1,108 +0,0 @@
-?RCS: $Id: mallocsrc.U,v 3.0 1993/08/18 12:09:12 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: mallocsrc.U,v $
-?RCS: Revision 3.0  1993/08/18  12:09:12  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:mallocsrc mallocobj usemymalloc malloctype d_mymalloc: Myread Oldconfig package \
-	Guess Setvar test rm cat +cc +ccflags Findhdr
-?MAKE:	-pick add $@ %<
-?S:usemymalloc:
-?S:	This variable contains y if the malloc that comes with this package
-?S:	is desired over the system's version of malloc.  People often include
-?S:	special versions of malloc for effiency, but such versions are often
-?S:	less portable.  See also mallocsrc and mallocobj.
-?S:.
-?S:mallocsrc:
-?S:	This variable contains the name of the malloc.c that comes with
-?S:	the package, if that malloc.c is preferred over the system malloc.
-?S:	Otherwise the value is null.  This variable is intended for generating
-?S:	Makefiles.
-?S:.
-?S:d_mymalloc:
-?S:	This variable conditionally defines MYMALLOC in case other parts
-?S:	of the source want to take special action if MYMALLOC is used.
-?S:	This may include different sorts of profiling or error detection.
-?S:.
-?S:mallocobj:
-?S:	This variable contains the name of the malloc.o that this package
-?S:	generates, if that malloc.o is preferred over the system malloc.
-?S:	Otherwise the value is null.  This variable is intended for generating
-?S:	Makefiles.  See mallocsrc.
-?S:.
-?S:malloctype:
-?S:	This variable contains the kind of ptr returned by malloc and realloc.
-?S:.
-?C:Malloc_t (MALLOCPTRTYPE):
-?C:	This symbol is the type of pointer returned by malloc and realloc.
-?C:.
-?H:#define Malloc_t $malloctype			/**/
-?H:.
-?C:MYMALLOC:
-?C:	This symbol, if defined, indicates that we're using our own malloc.
-?C:.
-?H:#$d_mymalloc MYMALLOC			/**/
-?H:.
-?X: Cannot test for mallocsrc; it is the unit's name and there is a bug in
-?X: the interpreter which defines all the names, even though they are not used.
-@if mallocobj
-: determine which malloc to compile in
-:  Old versions had dflt='y' only for bsd or v7.
-echo " "
-case "$usemymalloc" in
-'')
-	if bsd || v7; then
-		dflt='y'
-	else
-		dflt='y'
-	fi
-	;;
-*)  dflt="$usemymalloc"
-	;;
-esac
-rp="Do you wish to attempt to use the malloc that comes with $package?"
-. ./myread
-usemymalloc="$ans"
-case "$ans" in
-y*) mallocsrc='malloc.c'
-    mallocobj='malloc.o'
-    d_mymalloc="$define"
-    ;;
-*) mallocsrc=''
-   mallocobj=''
-   d_mymalloc="$undef"
-   ;;
-esac
-@end
-
-@if MALLOCPTRTYPE || Malloc_t
-: compute the type returned by malloc
-echo " "
-case "$malloctype" in
-'')
-	if $test `./findhdr malloc.h`; then
-		echo "#include <malloc.h>" > malloc.c
-	fi
-#include <malloc.h>
-	$cat >>malloc.c <<'END'
-void *malloc();
-END
-	if $cc $ccflags -c malloc.c >/dev/null 2>&1; then
-		malloctype='void *'
-	else
-		malloctype='char *'
-	fi
-	$rm -f malloc.[co]
-	;;
-esac
-echo "Your system wants malloc to return '$malloctype', it would seem." >&4
-
-@end
diff --git a/U/prototype.U b/U/prototype.U
deleted file mode 100644
index b0332f5655..0000000000
--- a/U/prototype.U
+++ /dev/null
@@ -1,115 +0,0 @@
-?RCS: $Id: prototype.U,v 3.0.1.2 1994/01/24 14:15:36 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: prototype.U,v $
-?RCS: Revision 3.0.1.2  1994/01/24  14:15:36  ram
-?RCS: patch16: prototype handling macros now appear only when needed
-?RCS:
-?RCS: Revision 3.0.1.1  1993/08/25  14:03:12  ram
-?RCS: patch6: defines were referring to non-existent VOID symbol
-?RCS:
-?RCS: Revision 3.0  1993/08/18  12:09:36  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:prototype: Myread Oldconfig cat +cc rm Setvar
-?MAKE:	-pick add $@ %<
-?S:prototype:
-?S:	This variable holds the eventual value of CAN_PROTOTYPE, which
-?S:	indicates the C compiler can handle funciton prototypes.
-?S:.
-?C:CAN_PROTOTYPE ~ %<:
-?C:	If defined, this macro indicates that the C compiler can handle
-?C:	function prototypes.
-?C:.
-?C:DOTS:
-?C:	This macro is used to specify the ... in function prototypes which
-?C:	have arbitrary additional arguments.
-?C:.
-?C:NXT_ARG:
-?C:	This macro is used to separate arguments in the declared argument list.
-?C:.
-?C:P_FUNC:
-?C:	This macro is used to declare "private" (static) functions.
-?C:	It takes three arguments: the function type and name, a parenthesized
-?C:	traditional (comma separated) argument list, and the declared argument
-?C:	list (in which arguments are separated with NXT_ARG, and additional
-?C:	arbitrary arguments are specified with DOTS).  For example:
-?C:
-?C:		P_FUNC(int foo, (bar, baz), int bar NXT_ARG char *baz[])
-?C:.
-?C:P_FUNC_VOID:
-?C:	This macro is used to declare "private" (static) functions that have
-?C:	no arguments.  The macro takes one argument: the function type and name.
-?C:	For example:
-?C:
-?C:		P_FUNC_VOID(int subr)
-?C:.
-?C:V_FUNC:
-?C:	This macro is used to declare "public" (non-static) functions.
-?C:	It takes three arguments: the function type and name, a parenthesized
-?C:	traditional (comma separated) argument list, and the declared argument
-?C:	list (in which arguments are separated with NXT_ARG, and additional
-?C:	arbitrary arguments are specified with DOTS).  For example:
-?C:
-?C:		V_FUNC(int main, (argc, argv), int argc NXT_ARG char *argv[])
-?C:.
-?C:V_FUNC_VOID:
-?C:	This macro is used to declare "public" (non-static) functions that have
-?C:	no arguments.  The macro takes one argument: the function type and name.
-?C:	For example:
-?C:
-?C:		V_FUNC_VOID(int fork)
-?C:.
-?C:P:
-?C:	This macro is used to declare function parameters for folks who want
-?C:	to make declarations with prototypes using a different style than
-?C:	the above macros.  Use double parentheses.  For example:
-?C:
-?C:		int main P((int argc, char *argv[]));
-?C:.
-?H:?%<:#$prototype	CAN_PROTOTYPE	/**/
-?H:?%<:#ifdef CAN_PROTOTYPE
-?H:?NXT_ARG:#define	NXT_ARG ,
-?H:?DOTS:#define	DOTS , ...
-?H:?V_FUNC:#define	V_FUNC(name, arglist, args)name(args)
-?H:?P_FUNC:#define	P_FUNC(name, arglist, args)static name(args)
-?H:?V_FUNC_VOID:#define	V_FUNC_VOID(name)name(void)
-?H:?P_FUNC_VOID:#define	P_FUNC_VOID(name)static name(void)
-?H:?P:#define	P(args) args
-?H:?%<:#else
-?H:?NXT_ARG:#define	NXT_ARG ;
-?H:?DOTS:#define	DOTS
-?H:?V_FUNC:#define	V_FUNC(name, arglist, args)name arglist args;
-?H:?P_FUNC:#define	P_FUNC(name, arglist, args)static name arglist args;
-?H:?V_FUNC_VOID:#define	V_FUNC_VOID(name)name()
-?H:?P_FUNC_VOID:#define	P_FUNC_VOID(name)static name()
-?H:?P:#define	P(args) ()
-?H:?%<:#endif
-?H:.
-?W:%<:NXT_ARG DOTS V_FUNC P_FUNC V_FUNC_VOID P_FUNC_VOID _
-?LINT:set prototype
-: Cruising for prototypes
-echo " "
-echo "Checking out function prototypes..." >&4
-$cat >prototype.c <<'EOCP'
-main(int argc, char *argv[]) {
-	exit(0);}
-EOCP
-if $cc -c prototype.c >prototype.out 2>&1 ; then
-	echo "Your C compiler appears to support function prototypes."
-	val="$define"
-else
-	echo "Your C compiler doesn't seem to understand function prototypes."
-	val="$undef"
-fi
-set prototype
-eval $setvar
-$rm -f prototype*
-
diff --git a/U/sig_name.U b/U/sig_name.U
deleted file mode 100644
index 9b3f9e3440..0000000000
--- a/U/sig_name.U
+++ /dev/null
@@ -1,86 +0,0 @@
-?RCS: $Id: sig_name.U,v 3.0 1993/08/18 12:09:47 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: sig_name.U,v $
-?RCS: Revision 3.0  1993/08/18  12:09:47  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:sig_name: awk rm Findhdr
-?MAKE:	-pick add $@ %<
-?S:sig_name:
-?S:	This variable holds the signal names, space separated. The leading
-?S:	SIG in signals name is removed.
-?S:.
-?C:SIG_NAME:
-?C:	This symbol contains a list of signal names in order. This is intended
-?C:	to be used as a static array initialization, like this:
-?C:		char *sig_name[] = { SIG_NAME };
-?C:	The signals in the list are separated with commas, and each signal
-?C:	is surrounded by double quotes. There is no leading SIG in the signal
-?C:	name, i.e. SIGQUIT is known as "QUIT".
-?C:.
-?H:#define SIG_NAME "`echo $sig_name | sed 's/ /","/g'`"	/**/
-?H:.
-?T:xxx
-: generate list of signal names
-echo " "
-case "$sig_name" in
-'')
-	echo "Generating a list of signal names..." >&4
-	xxx=`./findhdr signal.h`" "`./findhdr sys/signal.h`
-	set X `cat $xxx 2>&1 | $awk '
-$1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $3 ~ /^[1-9][0-9]*$/ {
-	sig[$3] = substr($2,4,20)
-	if (max < $3 && $3 < 60) {
-		max = $3
-	}
-}
-
-END {
-	for (i = 1; i <= max; i++) {
-		if (sig[i] == "")
-			printf "%d", i
-		else
-			printf "%s", sig[i]
-		if (i < max)
-			printf " "
-	}
-	printf "\n"
-}
-'`
-	shift
-	case $# in
-	0)
-		echo 'kill -l' >/tmp/foo$$
-		set X `csh -f </tmp/foo$$`
-		$rm -f /tmp/foo$$
-		shift
-		case $# in
-		0)set HUP INT QUIT ILL TRAP IOT EMT FPE KILL BUS SEGV SYS PIPE ALRM TERM
-		;;
-		esac
-		;;
-	esac
-	sig_name="ZERO $*"
-	;;
-esac
-echo "The following signals are available:"
-echo $sig_name | 
-    $awk 'BEGIN { linelen = 0 }
-	 { for (i = 1; i < NF; i++)
-	   {
-	      name = "SIG" $i " "
-	      linelen = linelen + length(name)
-	      if (linelen > 70)
-		{
-		  printf "\n"
-		  linelen = length(name)
-		}
-	      printf "%s", name } }'
diff --git a/U/voidflags.U b/U/voidflags.U
deleted file mode 100644
index 7d9a0d06ba..0000000000
--- a/U/voidflags.U
+++ /dev/null
@@ -1,148 +0,0 @@
-?RCS: $Id: voidflags.U,v 3.0 1993/08/18 12:10:01 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: voidflags.U,v $
-?RCS: Revision 3.0  1993/08/18  12:10:01  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:voidflags defvoidused: cat rm contains cc package Oldconfig Myread
-?MAKE:	-pick add $@ %<
-?S:voidflags:
-?S:	This variable contains the eventual value of the VOIDFLAGS symbol,
-?S:	which indicates how much support of the void type is given by this
-?S:	compiler.  See VOIDFLAGS for more info.
-?S:.
-?X:	Exceptionally, we have to explicitely alias the symbol name for
-?X: config_h.SH, otherwise the comment would not appear.
-?C:VOIDFLAGS ~ %<:
-?C:	This symbol indicates how much support of the void type is given by this
-?C:	compiler.  What various bits mean:
-?C:
-?C:	    1 = supports declaration of void
-?C:	    2 = supports arrays of pointers to functions returning void
-?C:	    4 = supports comparisons between pointers to void functions and
-?C:		    addresses of void functions
-?C:	    8 = suports declaration of generic void pointers
-?C:
-?C:	The package designer should define VOIDUSED to indicate the requirements
-?C:	of the package.  This can be done either by #defining VOIDUSED before
-?C:	including config.h, or by defining defvoidused in Myinit.U.  If the
-?C:	latter approach is taken, only those flags will be tested.  If the
-?C:	level of void support necessary is not present, defines void to int.
-?C:.
-?H:?%<:#ifndef VOIDUSED
-?H:?%<:#  define VOIDUSED $defvoidused
-?H:?%<:#endif
-?H:?%<:#define VOIDFLAGS $voidflags
-?H:?%<:#if (VOIDFLAGS & VOIDUSED) != VOIDUSED
-?H:?%<:#  define void int		/* is void to be avoided? */
-?H:?%<:#  define M_VOID			/* Xenix strikes again */
-?H:?%<:#  define VOID
-?H:?%<:#else
-?H:?%<:#  define VOID void
-?H:?%<:#endif
-?H:.
-?W:%<:void VOID VOIDUSED
-?INIT:: full support for void wanted by default
-?INIT:defvoidused=15
-?INIT:
-?LINT:describe defvoidused
-?LINT:known void M_VOID VOIDUSED
-: check for void type
-echo " "
-$cat >&4 <<EOM
-Checking to see how well your C compiler groks the void type...
-
-  Support flag bits are:
-    1: basic void declarations.
-    2: arrays of pointers to functions returning void.
-    4: operations between pointers to and addresses of void functions.
-    8: generic void pointers.
-
-EOM
-case "$voidflags" in
-'')
-	$cat >try.c <<'EOCP'
-#if TRY & 1
-void main() {
-#else
-main() {
-#endif
-	extern void moo();	/* function returning void */
-	void (*goo)();		/* ptr to func returning void */
-#if TRY & 8
-	void *hue;		/* generic ptr */
-#endif
-#if TRY & 2
-	void (*foo[10])();
-#endif
-
-#if TRY & 4
-	if(goo == moo) {
-		exit(0);
-	}
-#endif
-	exit(0);
-}
-EOCP
-?X: This unit used to use cc -S in those tests to try to speed up things, but
-?X: unfortunately, AIX 3.2 does not support this option.
-	if $cc -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
-		voidflags=$defvoidused
-	echo "It appears to support void to the level $package wants ($defvoidused)."
-		if $contains warning .out >/dev/null 2>&1; then
-			echo "However, you might get some warnings that look like this:"
-			$cat .out
-		fi
-	else
-echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
-		if $cc -c -DTRY=1 try.c >/dev/null 2>&1 ; then
-			echo "It supports 1..."
-			if $cc -c -DTRY=3 try.c >/dev/null 2>&1 ; then
-				echo "It also supports 2..."
-				if $cc -c -DTRY=7 try.c >/dev/null 2>&1 ; then
-					voidflags=7
-					echo "And it supports 4 but not 8 definitely."
-				else
-					echo "It doesn't support 4..."
-					if $cc -c -DTRY=11 try.c >/dev/null 2>&1 ; then
-						voidflags=11
-						echo "But it supports 8."
-					else
-						voidflags=3
-						echo "Neither does it support 8."
-					fi
-				fi
-			else
-				echo "It does not support 2..."
-				if $cc -c -DTRY=13 try.c >/dev/null 2>&1 ; then
-					voidflags=13
-					echo "But it supports 4 and 8."
-				else
-					if $cc -c -DTRY=5 try.c >/dev/null 2>&1 ; then
-						voidflags=5
-						echo "And it supports 4 but has not heard about 8."
-					else
-						echo "However it supports 8 but not 4."
-					fi
-				fi
-			fi
-		else
-			echo "There is no support at all for void."
-			voidflags=0
-		fi
-	fi
-esac
-dflt="$voidflags";
-rp="Your void support flags add up to what?"
-. ./myread
-voidflags="$ans"
-$rm -f try.* .out
-
diff --git a/U/yacc.U b/U/yacc.U
deleted file mode 100644
index 679970c34e..0000000000
--- a/U/yacc.U
+++ /dev/null
@@ -1,81 +0,0 @@
-?RCS: $Id: yacc.U,v 3.0 1993/08/18 12:10:03 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: yacc.U,v $
-?RCS: Revision 3.0  1993/08/18  12:10:03  ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:yacc yaccflags: Guess Myread Oldconfig byacc bison cat test package
-?MAKE:	-pick add $@ %<
-?S:yacc:
-?S:	This variable holds the name of the compiler compiler we
-?S:	want to use in the Makefile. It can be yacc, byacc, or bison -y.
-?S:.
-?S:yaccflags:
-?S:	This variable contains any additional yacc flags desired by the
-?S:	user.  It is up to the Makefile to use this.
-?S:.
-: determine compiler compiler
-case "$yacc" in
-'')
-	dflt=yacc;;
-*)
-	dflt="$yacc";;
-esac
-echo " "
-rp="yacc"
-if $test -f "$byacc"; then
-	dflt="$byacc"
-	rp="byacc or $rp"
-fi
-if $test -f "$bison"; then
-	rp="$rp or bison -y"
-fi
-$cat <<EOM
-$package no longer requires a compiler compiler, so the following is optional.
-EOM
-rp="Which compiler compiler ($rp) shall I use?"
-. ./myread
-yacc="$ans"
-case "$yacc" in
-*bis*)
-	case "$yacc" in
-	*-y*) ;;
-	*)
-		yacc="$yacc -y"
-		echo "(Adding -y option to bison to get yacc-compatible behaviour.)"
-		;;
-	esac
-	;;
-esac
-
-@if yaccflags
-: see if we need extra yacc flags
-dflt="$yaccflags"
-case "$dflt" in
-'') dflt=none;;
-esac
-$cat <<EOH
-
-Your yacc program may need extra flags to normally process the parser sources.
-Do NOT specify any -d or -v flags here, since those are explicitely known
-by the various Makefiles. However, if your machine has strange/undocumented
-options (like -Sr# on SCO to specify the maximum number of grammar rules), then
-please add them here.  To use no flags, specify the word "none".
-
-EOH
-rp="Any additional yacc flags?"
-. ./myread
-case "$ans" in
-none) yaccflags='';;
-*) yaccflags="$ans";;
-esac
-
-@end