replace "define\t" with "define " in most "normal" core files.

The main exceptions being dist/, ext/, and Configure related
files, which will be updated in a subsequent commit. Files in the cpan/
directory are also omitted as they are not owned by the core.

'#define' has seven characters, so following it with a \t makes it look
like '#define ' when it is not, which then frustrates attempts to find
where a given define is. If you *know* then you do a

    git grep -P 'define\s+WHATEVER'

but if don't or you forget, you can get very confused trying to find
where a given define is located. This fixes all such cases so they
actually are 'define WHATEVER' instead.

If this patch is getting in your way with blame analysis then view it
with the -w option to blame.

3 files changed, 223 insertions, 223 deletions

diff --git a/plan9/config.plan9 b/plan9/config.plan9
index 4f314c10c6..a59a1893f8 100644
--- a/plan9/config.plan9
+++ b/plan9/config.plan9
@@ -141,7 +141,7 @@
  *	This symbol, if defined, indicates that the chsize routine is available
  *	to truncate files.  You might need a -lx to get this routine.
  */
-/*#define	HAS_CHSIZE		/ **/
+/*#define HAS_CHSIZE            / **/
 
 /* HAS_CUSERID:
  *	This symbol, if defined, indicates that the cuserid routine is
@@ -307,7 +307,7 @@
  *	This symbol, if defined, indicates that the mbstowcs routine is
  *	available to covert a multibyte string into a wide character string.
  */
-#define	HAS_MBSTOWCS		/**/
+#define HAS_MBSTOWCS            /**/
 
 /* HAS_MBTOWC:
  *	This symbol, if defined, indicates that the mbtowc routine is available
@@ -636,7 +636,7 @@
  *	This symbol, if defined, indicates to the C program that it should
  *	include <arpa/inet.h> to get inet_addr and friends declarations.
  */
-#define	I_ARPA_INET		/**/
+#define I_ARPA_INET             /**/
 
 /* I_DBM:
  *	This symbol, if defined, indicates that <dbm.h> exists and should
@@ -684,7 +684,7 @@
  *	This symbol, if defined, indicates to the C program that it should
  *	include <locale.h>.
  */
-#define	I_LOCALE		/**/
+#define I_LOCALE                /**/
 
 /* I_NET_ERRNO:
  *	This symbol, if defined, indicates that <net/errno.h> exists and
@@ -718,7 +718,7 @@
  *	This symbol, if defined, indicates the <sys/sockio.h> should be included
  *	to get socket ioctl options, like SIOCATMARK.
  */
-#define	I_SYS_IOCTL		/**/
+#define I_SYS_IOCTL             /**/
 /*#define I_SYS_SOCKIO	/ **/
 
 /* I_SYS_NDIR:
@@ -750,19 +750,19 @@
  *	This symbol, if defined, indicates to the C program that it should
  *	include <sys/stat.h>.
  */
-#define	I_SYS_STAT		/**/
+#define I_SYS_STAT              /**/
 
 /* I_SYS_TIMES:
  *	This symbol, if defined, indicates to the C program that it should
  *	include <sys/times.h>.
  */
-#define	I_SYS_TIMES		/**/
+#define I_SYS_TIMES             /**/
 
 /* I_SYS_TYPES:
  *	This symbol, if defined, indicates to the C program that it should
  *	include <sys/types.h>.
  */
-#define	I_SYS_TYPES		/**/
+#define I_SYS_TYPES             /**/
 
 /* I_SYS_UN:
  *	This symbol, if defined, indicates to the C program that it should
@@ -1048,7 +1048,7 @@
  *	This symbol is defined if the C compiler can cast negative
  *	or large floating point numbers to 32-bit ints.
  */
-/*#define	CASTI32		/ **/
+/*#define CASTI32               / **/
 
 /* CASTNEGFLOAT:
  *	This symbol is defined if the C compiler can cast negative
@@ -1062,7 +1062,7 @@
  *		2 = couldn't cast >= 0x80000000
  *		4 = couldn't cast in argument expression list
  */
-/*#define	CASTNEGFLOAT		/* config-skip */
+/*#define CASTNEGFLOAT          /* config-skip */
 #if _P9P_OBJTYPE == 386
 #  define CASTFLAGS 3           /**/ /* config-skip */
 #else
@@ -1163,7 +1163,7 @@
  *	to the program to supply one.  A good guess is
  *		extern double drand48(void);
  */
-/*#define	HAS_DRAND48_PROTO	/ **/
+/*#define HAS_DRAND48_PROTO     / **/
 
 /* HAS_ENDGRENT:
  *	This symbol, if defined, indicates that the getgrent routine is
@@ -1269,7 +1269,7 @@
  *	This symbol, if defined, indicates that the system supports filenames
  *	longer than 14 characters.
  */
-#define	FLEXFILENAMES		/**/
+#define FLEXFILENAMES           /**/
 
 /* HAS_FP_CLASS:
  *	This symbol, if defined, indicates that the fp_class routine is
@@ -1325,7 +1325,7 @@
 /* HAS_FPOS64_T:
  *	This symbol will be defined if the C compiler supports fpos64_t.
  */
-/*#define	HAS_FPOS64_T    	/ **/
+/*#define HAS_FPOS64_T          / **/
 
 /* HAS_FREXPL:
  *	This symbol, if defined, indicates that the frexpl routine is
@@ -1498,7 +1498,7 @@
  *	gethostbyaddr().  Otherwise, it is up to the program to guess
  *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
  */
-/*#define	HAS_GETHOST_PROTOS	/ **/
+/*#define HAS_GETHOST_PROTOS    / **/
 
 /* HAS_GETITIMER:
  *	This symbol, if defined, indicates that the getitimer routine is
@@ -1555,7 +1555,7 @@
  *	getnetbyaddr().  Otherwise, it is up to the program to guess
  *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
  */
-/*#define	HAS_GETNET_PROTOS	/ **/
+/*#define HAS_GETNET_PROTOS     / **/
 
 /* HAS_GETPAGESIZE:
  *	This symbol, if defined, indicates that the getpagesize system call
@@ -1598,7 +1598,7 @@
  *	getprotobyaddr().  Otherwise, it is up to the program to guess
  *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
  */
-/*#define	HAS_GETPROTO_PROTOS	/ **/
+/*#define HAS_GETPROTO_PROTOS   / **/
 
 /* HAS_GETPRPWNAM:
  *	This symbol, if defined, indicates that the getprpwnam system call is
@@ -1664,7 +1664,7 @@
  *	getservbyaddr().  Otherwise, it is up to the program to guess
  *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
  */
-/*#define	HAS_GETSERV_PROTOS	/ **/
+/*#define HAS_GETSERV_PROTOS    / **/
 
 /* HAS_GETSPNAM:
  *	This symbol, if defined, indicates that the getspnam system call is
@@ -1899,7 +1899,7 @@
  *	to the program to supply one.  A good guess is
  *		extern off_t lseek(int, off_t, int);
  */
-/*#define	HAS_LSEEK_PROTO	/ **/
+/*#define HAS_LSEEK_PROTO       / **/
 
 /* HAS_MADVISE:
  *	This symbol, if defined, indicates that the madvise system call is
@@ -1967,7 +1967,7 @@
 /* HAS_OFF64_T:
  *	This symbol will be defined if the C compiler supports off64_t.
  */
-/*#define	HAS_OFF64_T    		/ **/
+/*#define HAS_OFF64_T                   / **/
 
 /* HAS_OPEN3:
  *	This manifest constant lets the C program know that the three
@@ -2050,7 +2050,7 @@
  *		extern void* sbrk(int);
  *		extern void* sbrk(size_t);
  */
-/*#define	HAS_SBRK_PROTO	/ **/
+/*#define HAS_SBRK_PROTO        / **/
 
 /* HAS_SEM:
  *	This symbol, if defined, indicates that the entire sem*(2) library is
@@ -2242,8 +2242,8 @@
  *	This symbol, if defined, indicates that the BSD socketpair() call is
  *	supported.
  */
-#define	HAS_SOCKET		/**/
-#define	HAS_SOCKETPAIR	/**/
+#define HAS_SOCKET              /**/
+#define HAS_SOCKETPAIR  /**/
 
 /* HAS_SOCKS5_INIT:
  *	This symbol, if defined, indicates that the socks5_init routine is
@@ -2446,7 +2446,7 @@
  *	to the program to supply one.  A good guess is
  *		extern long telldir(DIR*);
  */
-/*#define	HAS_TELLDIR_PROTO	/ **/
+/*#define HAS_TELLDIR_PROTO     / **/
 
 /* HAS_TIME:
  *	This symbol, if defined, indicates that the time() routine exists.
@@ -2555,7 +2555,7 @@
  *     This symbol, if defined, indicates that this system uses
  *	EBCDIC encoding.
  */
-/*#define	EBCDIC 		/ **/
+/*#define EBCDIC                / **/
 
 /* FFLUSH_NULL:
  *	This symbol, if defined, tells that fflush(NULL) does flush
@@ -2568,8 +2568,8 @@
  *	Note that if fflushNULL is defined, fflushall will not
  *	even be probed for and will be left undefined.
  */
-#define	FFLUSH_NULL 		/**/
-/*#define	FFLUSH_ALL 		/ **/
+#define FFLUSH_NULL             /**/
+/*#define FFLUSH_ALL            / **/
 
 /* Fpos_t:
  *	This symbol holds the type used to declare file positions in libc.
@@ -2581,7 +2581,7 @@
 /* Gid_t_f:
  *	This symbol defines the format string used for printing a Gid_t.
  */
-#define	Gid_t_f		"hd"		/**/
+#define Gid_t_f         "hd"            /**/
 
 /* Gid_t_sign:
  *	This symbol holds the signedess of a Gid_t.
@@ -2650,7 +2650,7 @@
  *	This symbol, if defined, indicates that <fp_class.h> exists and
  *	should be included.
  */
-/*#define	I_FP_CLASS		/ **/
+/*#define I_FP_CLASS            / **/
 
 /* I_GRP:
  *	This symbol, if defined, indicates to the C program that it should
@@ -2667,7 +2667,7 @@
  *	This symbol, if defined, indicates that <ieeefp.h> exists and
  *	should be included.
  */
-/*#define	I_IEEEFP		/ **/
+/*#define I_IEEEFP              / **/
 
 /* I_INTTYPES:
  *     This symbol, if defined, indicates to the C program that it should
@@ -2679,7 +2679,7 @@
  *	This symbol, if defined, indicates that <libutil.h> exists and
  *	should be included.
  */
-/*#define	I_LIBUTIL		/ **/
+/*#define I_LIBUTIL             / **/
 
 /* I_MACH_CTHREADS:
  *     This symbol, if defined, indicates to the C program that it should
@@ -2691,7 +2691,7 @@
  *	This symbol, if defined, indicates that <mntent.h> exists and
  *	should be included.
  */
-/*#define	I_MNTENT		/ **/
+/*#define I_MNTENT              / **/
 
 /* I_NETDB:
  *	This symbol, if defined, indicates that <netdb.h> exists and
@@ -2709,13 +2709,13 @@
  *	This symbol, if defined, indicates that <poll.h> exists and
  *	should be included.
  */
-/*#define	I_POLL		/ **/
+/*#define I_POLL                / **/
 
 /* I_PROT:
  *	This symbol, if defined, indicates that <prot.h> exists and
  *	should be included.
  */
-/*#define	I_PROT		/ **/
+/*#define I_PROT                / **/
 
 /* I_PTHREAD:
  *     This symbol, if defined, indicates to the C program that it should
@@ -2773,72 +2773,72 @@
  *	This symbol, if defined, indicates that <quadmath.h> exists and
  *	should be included.
  */
-/*#define	I_QUADMATH		/ **/
+/*#define I_QUADMATH            / **/
 
 /* I_SHADOW:
  *	This symbol, if defined, indicates that <shadow.h> exists and
  *	should be included.
  */
-/*#define	I_SHADOW		/ **/
+/*#define I_SHADOW              / **/
 
 /* I_SOCKS:
  *	This symbol, if defined, indicates that <socks.h> exists and
  *	should be included.
  */
-/*#define	I_SOCKS		/ **/
+/*#define I_SOCKS               / **/
 
 /* I_SUNMATH:
  *	This symbol, if defined, indicates that <sunmath.h> exists and
  *	should be included.
  */
-/*#define	I_SUNMATH		/ **/
+/*#define I_SUNMATH             / **/
 
 /* I_SYSLOG:
  *	This symbol, if defined, indicates that <syslog.h> exists and
  *	should be included.
  */
-/*#define	I_SYSLOG		/ **/
+/*#define I_SYSLOG              / **/
 
 /* I_SYSMODE:
  *	This symbol, if defined, indicates that <sys/mode.h> exists and
  *	should be included.
  */
-/*#define	I_SYSMODE		/ **/
+/*#define I_SYSMODE             / **/
 
 /* I_SYS_MOUNT:
  *	This symbol, if defined, indicates that <sys/mount.h> exists and
  *	should be included.
  */
-/*#define	I_SYS_MOUNT		/ **/
+/*#define I_SYS_MOUNT           / **/
 
 /* I_SYS_STATFS:
  *	This symbol, if defined, indicates that <sys/statfs.h> exists.
  */
-/*#define	I_SYS_STATFS		/ **/
+/*#define I_SYS_STATFS          / **/
 
 /* I_SYS_STATVFS:
  *	This symbol, if defined, indicates that <sys/statvfs.h> exists and
  *	should be included.
  */
-/*#define	I_SYS_STATVFS		/ **/
+/*#define I_SYS_STATVFS         / **/
 
 /* I_SYSUIO:
  *	This symbol, if defined, indicates that <sys/uio.h> exists and
  *	should be included.
  */
-#define	I_SYSUIO		/**/
+#define I_SYSUIO                /**/
 
 /* I_SYSUTSNAME:
  *	This symbol, if defined, indicates that <sys/utsname.h> exists and
  *	should be included.
  */
-#define	I_SYSUTSNAME		/**/
+#define I_SYSUTSNAME            /**/
 
 /* I_SYS_VFS:
  *	This symbol, if defined, indicates that <sys/vfs.h> exists and
  *	should be included.
  */
-/*#define	I_SYS_VFS		/ **/
+/*#define I_SYS_VFS             / **/
 
 /* Plan 9: P9 has both <time.h> and <sys/time.h> */
 /* I_TIME:
@@ -2869,7 +2869,7 @@
  *	This symbol, if defined, indicates that <ustat.h> exists and
  *	should be included.
  */
-/*#define	I_USTAT		/ **/
+/*#define I_USTAT               / **/
 
 /* PERL_INC_VERSION_LIST:
  *	This variable specifies the list of subdirectories in over
@@ -3002,7 +3002,7 @@
  *	of copying mechanisms, handy.h defines a platform-
  *	independent macro, Perl_va_copy(src, dst), to do the job.
  */
-/*#define	NEED_VA_COPY		/ **/
+/*#define NEED_VA_COPY          / **/
 
 /* Netdb_host_t:
  *	This symbol holds the type used for the 1st argument
@@ -3119,35 +3119,35 @@
  *	This symbol, if defined, indicates that a variable of type NVTYPE
  *	stores 0.0 in memory as all bits zero.
  */
-#define	IVTYPE		long		/**/
-#define	UVTYPE		unsigned long		/**/
-#define	I8TYPE		char		/**/
-#define	U8TYPE		unsigned char		/**/
-#define	I16TYPE		short	/**/
-#define	U16TYPE		unsigned short	/**/
-#define	I32TYPE		long	/**/
-#define	U32TYPE		unsigned long	/**/
+#define IVTYPE          long            /**/
+#define UVTYPE          unsigned long           /**/
+#define I8TYPE          char            /**/
+#define U8TYPE          unsigned char           /**/
+#define I16TYPE         short   /**/
+#define U16TYPE         unsigned short  /**/
+#define I32TYPE         long    /**/
+#define U32TYPE         unsigned long   /**/
 #ifdef HAS_QUAD
-#define	I64TYPE		long long	/**/
-#define	U64TYPE		unsigned long long	/**/
+#define I64TYPE         long long       /**/
+#define U64TYPE         unsigned long long      /**/
 #endif
-#define	NVTYPE		double		/**/
-#define	IVSIZE		4		/**/
-#define	UVSIZE		4		/**/
-#define	I8SIZE		1		/**/
-#define	U8SIZE		1		/**/
-#define	I16SIZE		2	/**/
-#define	U16SIZE		2	/**/
-#define	I32SIZE		4	/**/
-#define	U32SIZE		4	/**/
+#define NVTYPE          double          /**/
+#define IVSIZE          4               /**/
+#define UVSIZE          4               /**/
+#define I8SIZE          1               /**/
+#define U8SIZE          1               /**/
+#define I16SIZE         2       /**/
+#define U16SIZE         2       /**/
+#define I32SIZE         4       /**/
+#define U32SIZE         4       /**/
 #ifdef HAS_QUAD
-#define	I64SIZE		8	/**/
-#define	U64SIZE		8	/**/
+#define I64SIZE         8       /**/
+#define U64SIZE         8       /**/
 #endif
-#define	NVSIZE		8		/**/
-#define	NV_PRESERVES_UV
-#define	NV_PRESERVES_UV_BITS	31
-#define	NV_OVERFLOWS_INTEGERS_AT	256.0*256.0*256.0*256.0*256.0*256.0*2.0*2.0*2.0*2.0*2.0
+#define NVSIZE          8               /**/
+#define NV_PRESERVES_UV
+#define NV_PRESERVES_UV_BITS    31
+#define NV_OVERFLOWS_INTEGERS_AT        256.0*256.0*256.0*256.0*256.0*256.0*2.0*2.0*2.0*2.0*2.0
 #undef	NV_ZERO_IS_ALLBITS_ZERO
 
 /* IVdf:
@@ -3202,19 +3202,19 @@
  *	This symbol defines the format string used for printing a Perl U32
  *	as an unsigned hexadecimal integer in uppercase ABCDEF.
  */
-#define	IVdf		"ld"		/**/
-#define	UVuf		"lu"		/**/
-#define	UVof		"lo"		/**/
-#define	UVxf		"lx"		/**/
-#define	UVXf		"lX"		/**/
-#define	NVef		"e"		/**/
-#define	NVff		"f"		/**/
-#define	NVgf		"g"		/**/
-#define	I32df		"ld"		/**/
-#define	U32uf		"lu"		/**/
-#define	U32of		"lo"		/**/
-#define	U32xf		"lx"		/**/
-#define	U32Xf		"lX"		/**/
+#define IVdf            "ld"            /**/
+#define UVuf            "lu"            /**/
+#define UVof            "lo"            /**/
+#define UVxf            "lx"            /**/
+#define UVXf            "lX"            /**/
+#define NVef            "e"             /**/
+#define NVff            "f"             /**/
+#define NVgf            "g"             /**/
+#define I32df           "ld"            /**/
+#define U32uf           "lu"            /**/
+#define U32of           "lo"            /**/
+#define U32xf           "lx"            /**/
+#define U32Xf           "lX"            /**/
 
 /* Pid_t:
  *	This symbol holds the type used to declare process ids in the kernel.
@@ -3415,13 +3415,13 @@
  *	This symbol tells the name of the array holding the stdio streams.
  *	Usual values include _iob, __iob, and __sF.
  */
-/*#define	HAS_STDIO_STREAM_ARRAY	/ **/
+/*#define HAS_STDIO_STREAM_ARRAY        / **/
 #define STDIO_STREAM_ARRAY	
 
 /* Uid_t_f:
  *	This symbol defines the format string used for printing a Uid_t.
  */
-#define	Uid_t_f		"hd"		/**/
+#define Uid_t_f         "hd"            /**/
 
 /* Uid_t_sign:
  *	This symbol holds the signedess of a Uid_t.
@@ -3481,11 +3481,11 @@
  *	you may need at least to reboot your OS to 64-bit mode.
  */
 #ifndef USE_64_BIT_INT
-/*#define	USE_64_BIT_INT		/ **/
+/*#define USE_64_BIT_INT                / **/
 #endif
 
 #ifndef USE_64_BIT_ALL
-/*#define	USE_64_BIT_ALL		/ **/
+/*#define USE_64_BIT_ALL                / **/
 #endif
 
 /* USE_FAST_STDIO:
@@ -3494,7 +3494,7 @@
  *	Defaults to define in Perls 5.8 and earlier, to undef later.
  */
 #ifndef USE_FAST_STDIO
-/*#define	USE_FAST_STDIO		/ **/
+/*#define USE_FAST_STDIO                / **/
 #endif
 
 /* USE_LARGE_FILES:
@@ -3502,7 +3502,7 @@
  *	should be used when available.
  */
 #ifndef USE_LARGE_FILES
-#define	USE_LARGE_FILES		/**/
+#define USE_LARGE_FILES         /**/
 #endif
 
 /* USE_LONG_DOUBLE:
@@ -3510,7 +3510,7 @@
  *	be used when available.
  */
 #ifndef USE_LONG_DOUBLE
-/*#define	USE_LONG_DOUBLE		/ **/
+/*#define USE_LONG_DOUBLE               / **/
 #endif
 
 /* USE_MORE_BITS:
@@ -3518,7 +3518,7 @@
  *	long doubles should be used when available.
  */
 #ifndef USE_MORE_BITS
-/*#define	USE_MORE_BITS		/ **/
+/*#define USE_MORE_BITS         / **/
 #endif
 
 /* MULTIPLICITY:
@@ -3526,7 +3526,7 @@
  *	be built to use multiplicity.
  */
 #ifndef MULTIPLICITY
-/*#define	MULTIPLICITY		/ **/
+/*#define MULTIPLICITY          / **/
 #endif
 
 /* USE_PERLIO:
@@ -3535,7 +3535,7 @@
  *	used in a fully backward compatible manner.
  */
 #ifndef USE_PERLIO
-#define	USE_PERLIO		/**/
+#define USE_PERLIO              /**/
 #endif
 
 /* USE_QUADMATH:
@@ -3543,7 +3543,7 @@
  *	be used when available.
  */
 #ifndef USE_QUADMATH
-/*#define	USE_QUADMATH		/ **/
+/*#define USE_QUADMATH          / **/
 #endif
 
 /* USE_SOCKS:
@@ -3551,7 +3551,7 @@
  *	be built to use socks.
  */
 #ifndef USE_SOCKS
-/*#define	USE_SOCKS		/ **/
+/*#define USE_SOCKS             / **/
 #endif
 
 /* USE_ITHREADS:
@@ -3567,10 +3567,10 @@
  *	try to use the various _r versions of library functions.
  *	This is extremely experimental.
  */
-/*#define	USE_ITHREADS		/ **/
-/*#define		USE_THREADS		/ **/
-/*#define	OLD_PTHREADS_API		/ **/
-/*#define	USE_REENTRANT_API	/ **/
+/*#define USE_ITHREADS          / **/
+/*#define       USE_THREADS             / **/
+/*#define OLD_PTHREADS_API              / **/
+/*#define USE_REENTRANT_API     / **/
 
 /* PERL_VENDORARCH:
  *	If defined, this symbol contains the name of a private library.
@@ -3665,8 +3665,8 @@
  *	Perl has been cross-compiled to.  Undefined if not a cross-compile.
  */
 #ifndef USE_CROSS_COMPILE
-/*#define	USE_CROSS_COMPILE	/ **/
-#define	PERL_TARGETARCH	""	/**/
+/*#define USE_CROSS_COMPILE     / **/
+#define PERL_TARGETARCH ""      /**/
 #endif
 
 /* HAS_COPYSIGNL:
@@ -3687,7 +3687,7 @@
  *	to the program to supply one.  A good guess is
  *		extern int dbminit(char *);
  */
-/*#define	HAS_DBMINIT_PROTO	/ **/
+/*#define HAS_DBMINIT_PROTO     / **/
 
 /* HAS_DIRFD:
  *	This manifest constant lets the C program know that dirfd
@@ -3701,7 +3701,7 @@
  *	to the program to supply one.  A good guess is
  *		extern int flock(int, int);
  */
-/*#define	HAS_FLOCK_PROTO	/ **/
+/*#define HAS_FLOCK_PROTO       / **/
 
 /* HAS_FPCLASSL:
  *	This symbol, if defined, indicates that the fpclassl routine is
@@ -3768,7 +3768,7 @@
  *	to the program to supply one.  A good guess is
  *		extern int sockatmark(int);
  */
-/*#define	HAS_SOCKATMARK_PROTO	/ **/
+/*#define HAS_SOCKATMARK_PROTO  / **/
 
 /* HAS_SETRESGID_PROTO:
  *	This symbol, if defined, indicates that the system provides
@@ -3776,7 +3776,7 @@
  *	to the program to supply one.  Good guesses are
  *		extern int setresgid(uid_t ruid, uid_t euid, uid_t suid);
  */
-/*#define	HAS_SETRESGID_PROTO	/ **/
+/*#define HAS_SETRESGID_PROTO   / **/
 
 /* HAS_SETRESUID_PROTO:
  *	This symbol, if defined, indicates that the system provides
@@ -3784,7 +3784,7 @@
  *	to the program to supply one.  Good guesses are
  *		extern int setresuid(uid_t ruid, uid_t euid, uid_t suid);
  */
-/*#define	HAS_SETRESUID_PROTO	/ **/
+/*#define HAS_SETRESUID_PROTO   / **/
 
 /* HAS_STRFTIME:
  *	This symbol, if defined, indicates that the strftime routine is
@@ -3799,7 +3799,7 @@
  *		extern int syscall(int,  ...);
  *		extern int syscall(long, ...);
  */
-/*#define	HAS_SYSCALL_PROTO	/ **/
+/*#define HAS_SYSCALL_PROTO     / **/
 
 /* U32_ALIGNMENT_REQUIRED:
  *	This symbol, if defined, indicates that you must access
@@ -3815,25 +3815,25 @@
  *	to the program to supply one.  A good guess is
  *		extern int usleep(useconds_t);
  */
-/*#define	HAS_USLEEP_PROTO	/ **/
+/*#define HAS_USLEEP_PROTO      / **/
 
 /* I_CRYPT:
  *	This symbol, if defined, indicates that <crypt.h> exists and
  *	should be included.
  */
-/*#define	I_CRYPT		/ **/
+/*#define I_CRYPT               / **/
 
 /* I_FP:
  *	This symbol, if defined, indicates that <fp.h> exists and
  *	should be included.
  */
-/*#define	I_FP		/ **/
+/*#define I_FP          / **/
 
 /* I_LANGINFO:
  *	This symbol, if defined, indicates that <langinfo.h> exists and
  *	should be included.
  */
-/*#define	I_LANGINFO		/ **/
+/*#define I_LANGINFO            / **/
 
 /* HAS_CTERMID_R:
  *	This symbol, if defined, indicates that the ctermid_r routine
diff --git a/plan9/config_h.sample b/plan9/config_h.sample
index 745ccc68c7..1720754dd8 100644
--- a/plan9/config_h.sample
+++ b/plan9/config_h.sample
@@ -66,7 +66,7 @@
  *	This symbol, if defined, indicates that the chsize routine is available
  *	to truncate files.  You might need a -lx to get this routine.
  */
-/*#define	HAS_CHSIZE		/ **/
+/*#define HAS_CHSIZE            / **/
 
 /* HAS_CUSERID:
  *	This symbol, if defined, indicates that the cuserid routine is
@@ -232,7 +232,7 @@
  *	This symbol, if defined, indicates that the mbstowcs routine is
  *	available to covert a multibyte string into a wide character string.
  */
-#define	HAS_MBSTOWCS		/**/
+#define HAS_MBSTOWCS            /**/
 
 /* HAS_MBTOWC:
  *	This symbol, if defined, indicates that the mbtowc routine is available
@@ -561,7 +561,7 @@
  *	This symbol, if defined, indicates to the C program that it should
  *	include <arpa/inet.h> to get inet_addr and friends declarations.
  */
-#define	I_ARPA_INET		/**/
+#define I_ARPA_INET             /**/
 
 /* I_DBM:
  *	This symbol, if defined, indicates that <dbm.h> exists and should
@@ -609,7 +609,7 @@
  *	This symbol, if defined, indicates to the C program that it should
  *	include <locale.h>.
  */
-#define	I_LOCALE		/**/
+#define I_LOCALE                /**/
 
 /* I_NET_ERRNO:
  *	This symbol, if defined, indicates that <net/errno.h> exists and 
@@ -643,7 +643,7 @@
  *	This symbol, if defined, indicates the <sys/sockio.h> should be included
  *	to get socket ioctl options, like SIOCATMARK.
  */
-#define	I_SYS_IOCTL		/**/
+#define I_SYS_IOCTL             /**/
 /*#define I_SYS_SOCKIO	/ **/
 
 /* I_SYS_NDIR:
@@ -674,19 +674,19 @@
  *	This symbol, if defined, indicates to the C program that it should
  *	include <sys/stat.h>.
  */
-#define	I_SYS_STAT		/**/
+#define I_SYS_STAT              /**/
 
 /* I_SYS_TIMES:
  *	This symbol, if defined, indicates to the C program that it should
  *	include <sys/times.h>.
  */
-#define	I_SYS_TIMES		/**/
+#define I_SYS_TIMES             /**/
 
 /* I_SYS_TYPES:
  *	This symbol, if defined, indicates to the C program that it should
  *	include <sys/types.h>.
  */
-#define	I_SYS_TYPES		/**/
+#define I_SYS_TYPES             /**/
 
 /* I_SYS_UN:
  *	This symbol, if defined, indicates to the C program that it should
@@ -1001,7 +1001,7 @@
  *	This symbol is defined if the C compiler can cast negative
  *	or large floating point numbers to 32-bit ints.
  */
-/*#define	CASTI32		/ **/
+/*#define CASTI32               / **/
 
 /* CASTNEGFLOAT:
  *	This symbol is defined if the C compiler can cast negative
@@ -1015,7 +1015,7 @@
  *		2 = couldn't cast >= 0x80000000
  *		4 = couldn't cast in argument expression list
  */
-/*#define	CASTNEGFLOAT		/ **/
+/*#define CASTNEGFLOAT          / **/
 #define CASTFLAGS 7		/**/
 
 /* HAS_CLASS:
@@ -1112,7 +1112,7 @@
  *	to the program to supply one.  A good guess is
  *		extern double drand48(void);
  */
-/*#define	HAS_DRAND48_PROTO	/ **/
+/*#define HAS_DRAND48_PROTO     / **/
 
 /* HAS_ENDGRENT:
  *	This symbol, if defined, indicates that the getgrent routine is
@@ -1218,7 +1218,7 @@
  *	This symbol, if defined, indicates that the system supports filenames
  *	longer than 14 characters.
  */
-#define	FLEXFILENAMES		/**/
+#define FLEXFILENAMES           /**/
 
 /* HAS_FP_CLASS:
  *	This symbol, if defined, indicates that the fp_class routine is
@@ -1273,7 +1273,7 @@
 /* HAS_FPOS64_T:
  *	This symbol will be defined if the C compiler supports fpos64_t.
  */
-/*#define	HAS_FPOS64_T    	/ **/
+/*#define HAS_FPOS64_T          / **/
 
 /* HAS_FREXPL:
  *	This symbol, if defined, indicates that the frexpl routine is
@@ -1446,7 +1446,7 @@
  *	gethostbyaddr().  Otherwise, it is up to the program to guess
  *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
  */
-/*#define	HAS_GETHOST_PROTOS	/ **/
+/*#define HAS_GETHOST_PROTOS    / **/
 
 /* HAS_GETITIMER:
  *	This symbol, if defined, indicates that the getitimer routine is
@@ -1503,7 +1503,7 @@
  *	getnetbyaddr().  Otherwise, it is up to the program to guess
  *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
  */
-/*#define	HAS_GETNET_PROTOS	/ **/
+/*#define HAS_GETNET_PROTOS     / **/
 
 /* HAS_GETPAGESIZE:
  *	This symbol, if defined, indicates that the getpagesize system call
@@ -1546,7 +1546,7 @@
  *	getprotobyaddr().  Otherwise, it is up to the program to guess
  *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
  */
-/*#define	HAS_GETPROTO_PROTOS	/ **/
+/*#define HAS_GETPROTO_PROTOS   / **/
 
 /* HAS_GETPRPWNAM:
  *	This symbol, if defined, indicates that the getprpwnam system call is
@@ -1612,7 +1612,7 @@
  *	getservbyaddr().  Otherwise, it is up to the program to guess
  *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
  */
-/*#define	HAS_GETSERV_PROTOS	/ **/
+/*#define HAS_GETSERV_PROTOS    / **/
 
 /* HAS_GETSPNAM:
  *	This symbol, if defined, indicates that the getspnam system call is
@@ -1808,7 +1808,7 @@
  *	to the program to supply one.  A good guess is
  *		extern off_t lseek(int, off_t, int);
  */
-/*#define	HAS_LSEEK_PROTO	/ **/
+/*#define HAS_LSEEK_PROTO       / **/
 
 /* HAS_MADVISE:
  *	This symbol, if defined, indicates that the madvise system call is
@@ -1876,7 +1876,7 @@
 /* HAS_OFF64_T:
  *	This symbol will be defined if the C compiler supports off64_t.
  */
-/*#define	HAS_OFF64_T    		/ **/
+/*#define HAS_OFF64_T                   / **/
 
 /* HAS_OPEN3:
  *	This manifest constant lets the C program know that the three
@@ -1959,7 +1959,7 @@
  *		extern void* sbrk(int);
  *		extern void* sbrk(size_t);
  */
-/*#define	HAS_SBRK_PROTO	/ **/
+/*#define HAS_SBRK_PROTO        / **/
 
 /* HAS_SEM:
  *	This symbol, if defined, indicates that the entire sem*(2) library is
@@ -2130,8 +2130,8 @@
  *	This symbol, if defined, indicates that the BSD socketpair() call is
  *	supported.
  */
-#define	HAS_SOCKET		/**/
-#define	HAS_SOCKETPAIR	/**/
+#define HAS_SOCKET              /**/
+#define HAS_SOCKETPAIR  /**/
 
 /* HAS_SOCKS5_INIT:
  *	This symbol, if defined, indicates that the socks5_init routine is
@@ -2334,7 +2334,7 @@
  *	to the program to supply one.  A good guess is
  *		extern long telldir(DIR*);
  */
-/*#define	HAS_TELLDIR_PROTO	/ **/
+/*#define HAS_TELLDIR_PROTO     / **/
 
 /* HAS_TIME:
  *	This symbol, if defined, indicates that the time() routine exists.
@@ -2443,7 +2443,7 @@
  *     This symbol, if defined, indicates that this system uses
  *	EBCDIC encoding.
  */
-/*#define	EBCDIC 		/ **/
+/*#define EBCDIC                / **/
 
 /* FFLUSH_NULL:
  *	This symbol, if defined, tells that fflush(NULL) does flush
@@ -2456,8 +2456,8 @@
  *	Note that if fflushNULL is defined, fflushall will not
  *	even be probed for and will be left undefined.
  */
-#define	FFLUSH_NULL 		/**/
-/*#define	FFLUSH_ALL 		/ **/
+#define FFLUSH_NULL             /**/
+/*#define FFLUSH_ALL            / **/
 
 /* Fpos_t:
  *	This symbol holds the type used to declare file positions in libc.
@@ -2469,7 +2469,7 @@
 /* Gid_t_f:
  *	This symbol defines the format string used for printing a Gid_t.
  */
-#define	Gid_t_f		"hd"		/**/
+#define Gid_t_f         "hd"            /**/
 
 /* Gid_t_sign:
  *	This symbol holds the signedess of a Gid_t.
@@ -2538,7 +2538,7 @@
  *	This symbol, if defined, indicates that <fp_class.h> exists and
  *	should be included.
  */
-/*#define	I_FP_CLASS		/ **/
+/*#define I_FP_CLASS            / **/
 
 /* I_GRP:
  *	This symbol, if defined, indicates to the C program that it should
@@ -2555,7 +2555,7 @@
  *	This symbol, if defined, indicates that <ieeefp.h> exists and
  *	should be included.
  */
-/*#define	I_IEEEFP		/ **/
+/*#define I_IEEEFP              / **/
 
 /* I_INTTYPES:
  *     This symbol, if defined, indicates to the C program that it should
@@ -2567,7 +2567,7 @@
  *	This symbol, if defined, indicates that <libutil.h> exists and
  *	should be included.
  */
-/*#define	I_LIBUTIL		/ **/
+/*#define I_LIBUTIL             / **/
 
 /* I_MACH_CTHREADS:
  *     This symbol, if defined, indicates to the C program that it should
@@ -2579,7 +2579,7 @@
  *	This symbol, if defined, indicates that <mntent.h> exists and
  *	should be included.
  */
-/*#define	I_MNTENT		/ **/
+/*#define I_MNTENT              / **/
 
 /* I_NETDB:
  *	This symbol, if defined, indicates that <netdb.h> exists and
@@ -2597,13 +2597,13 @@
  *	This symbol, if defined, indicates that <poll.h> exists and
  *	should be included.
  */
-/*#define	I_POLL		/ **/
+/*#define I_POLL                / **/
 
 /* I_PROT:
  *	This symbol, if defined, indicates that <prot.h> exists and
  *	should be included.
  */
-/*#define	I_PROT		/ **/
+/*#define I_PROT                / **/
 
 /* I_PTHREAD:
  *     This symbol, if defined, indicates to the C program that it should
@@ -2661,66 +2661,66 @@
  *	This symbol, if defined, indicates that <shadow.h> exists and
  *	should be included.
  */
-/*#define	I_SHADOW		/ **/
+/*#define I_SHADOW              / **/
 
 /* I_SOCKS:
  *	This symbol, if defined, indicates that <socks.h> exists and
  *	should be included.
  */
-/*#define	I_SOCKS		/ **/
+/*#define I_SOCKS               / **/
 
 /* I_SUNMATH:
  *	This symbol, if defined, indicates that <sunmath.h> exists and
  *	should be included.
  */
-/*#define	I_SUNMATH		/ **/
+/*#define I_SUNMATH             / **/
 
 /* I_SYSLOG:
  *	This symbol, if defined, indicates that <syslog.h> exists and
  *	should be included.
  */
-/*#define	I_SYSLOG		/ **/
+/*#define I_SYSLOG              / **/
 
 /* I_SYSMODE:
  *	This symbol, if defined, indicates that <sys/mode.h> exists and
  *	should be included.
  */
-/*#define	I_SYSMODE		/ **/
+/*#define I_SYSMODE             / **/
 
 /* I_SYS_MOUNT:
  *	This symbol, if defined, indicates that <sys/mount.h> exists and
  *	should be included.
  */
-/*#define	I_SYS_MOUNT		/ **/
+/*#define I_SYS_MOUNT           / **/
 
 /* I_SYS_STATFS:
  *	This symbol, if defined, indicates that <sys/statfs.h> exists.
  */
-/*#define	I_SYS_STATFS		/ **/
+/*#define I_SYS_STATFS          / **/
 
 /* I_SYS_STATVFS:
  *	This symbol, if defined, indicates that <sys/statvfs.h> exists and
  *	should be included.
  */
-/*#define	I_SYS_STATVFS		/ **/
+/*#define I_SYS_STATVFS         / **/
 
 /* I_SYSUIO:
  *	This symbol, if defined, indicates that <sys/uio.h> exists and
  *	should be included.
  */
-#define	I_SYSUIO		/**/
+#define I_SYSUIO                /**/
 
 /* I_SYSUTSNAME:
  *	This symbol, if defined, indicates that <sys/utsname.h> exists and
  *	should be included.
  */
-#define	I_SYSUTSNAME		/**/
+#define I_SYSUTSNAME            /**/
 
 /* I_SYS_VFS:
  *	This symbol, if defined, indicates that <sys/vfs.h> exists and
  *	should be included.
  */
-/*#define	I_SYS_VFS		/ **/
+/*#define I_SYS_VFS             / **/
 
 /* I_TIME:
  *	This symbol, if defined, indicates to the C program that it should
@@ -2750,7 +2750,7 @@
  *	This symbol, if defined, indicates that <ustat.h> exists and
  *	should be included.
  */
-/*#define	I_USTAT		/ **/
+/*#define I_USTAT               / **/
 
 /* PERL_INC_VERSION_LIST:
  *	This variable specifies the list of subdirectories in over
@@ -2862,7 +2862,7 @@
  *	of copying mechanisms, handy.h defines a platform-
  *	independent macro, Perl_va_copy(src, dst), to do the job.
  */
-/*#define	NEED_VA_COPY		/ **/
+/*#define NEED_VA_COPY          / **/
 
 /* Netdb_host_t:
  *	This symbol holds the type used for the 1st argument
@@ -2969,34 +2969,34 @@
  *	This symbol contains the number of bits a variable of type NVTYPE
  *	can preserve of a variable of type UVTYPE.
  */
-#define	IVTYPE		long		/**/
-#define	UVTYPE		unsigned long		/**/
-#define	I8TYPE		char		/**/
-#define	U8TYPE		unsigned char		/**/
-#define	I16TYPE		short	/**/
-#define	U16TYPE		unsigned short	/**/
-#define	I32TYPE		long	/**/
-#define	U32TYPE		unsigned long	/**/
+#define IVTYPE          long            /**/
+#define UVTYPE          unsigned long           /**/
+#define I8TYPE          char            /**/
+#define U8TYPE          unsigned char           /**/
+#define I16TYPE         short   /**/
+#define U16TYPE         unsigned short  /**/
+#define I32TYPE         long    /**/
+#define U32TYPE         unsigned long   /**/
 #ifdef HAS_QUAD
-#define	I64TYPE		long long	/**/
-#define	U64TYPE		unsigned long long	/**/
+#define I64TYPE         long long       /**/
+#define U64TYPE         unsigned long long      /**/
 #endif
-#define	NVTYPE		double		/**/
-#define	IVSIZE		4		/**/
-#define	UVSIZE		4		/**/
-#define	I8SIZE		1		/**/
-#define	U8SIZE		1		/**/
-#define	I16SIZE		2	/**/
-#define	U16SIZE		2	/**/
-#define	I32SIZE		4	/**/
-#define	U32SIZE		4	/**/
+#define NVTYPE          double          /**/
+#define IVSIZE          4               /**/
+#define UVSIZE          4               /**/
+#define I8SIZE          1               /**/
+#define U8SIZE          1               /**/
+#define I16SIZE         2       /**/
+#define U16SIZE         2       /**/
+#define I32SIZE         4       /**/
+#define U32SIZE         4       /**/
 #ifdef HAS_QUAD
-#define	I64SIZE		8	/**/
-#define	U64SIZE		8	/**/
+#define I64SIZE         8       /**/
+#define U64SIZE         8       /**/
 #endif
-#define	NVSIZE		8		/**/
+#define NVSIZE          8               /**/
 #undef	NV_PRESERVES_UV
-#define	NV_PRESERVES_UV_BITS	31
+#define NV_PRESERVES_UV_BITS    31
 
 /* IVdf:
  *	This symbol defines the format string used for printing a Perl IV
@@ -3050,19 +3050,19 @@
  *	This symbol defines the format string used for printing a Perl U32
  *	as an unsigned hexadecimal integer in uppercase ABCDEF.
  */
-#define	IVdf		"ld"		/**/
-#define	UVuf		"lu"		/**/
-#define	UVof		"lo"		/**/
-#define	UVxf		"lx"		/**/
-#define	UVXf		"lX"		/**/
-#define	NVef		"e"		/**/
-#define	NVff		"f"		/**/
-#define	NVgf		"g"		/**/
-#define	I32df		"ld"		/**/
-#define	U32uf		"lu"		/**/
-#define	U32of		"lo"		/**/
-#define	U32xf		"lx"		/**/
-#define	U32Xf		"lX"		/**/
+#define IVdf            "ld"            /**/
+#define UVuf            "lu"            /**/
+#define UVof            "lo"            /**/
+#define UVxf            "lx"            /**/
+#define UVXf            "lX"            /**/
+#define NVef            "e"             /**/
+#define NVff            "f"             /**/
+#define NVgf            "g"             /**/
+#define I32df           "ld"            /**/
+#define U32uf           "lu"            /**/
+#define U32of           "lo"            /**/
+#define U32xf           "lx"            /**/
+#define U32Xf           "lX"            /**/
 
 /* Pid_t:
  *	This symbol holds the type used to declare process ids in the kernel.
@@ -3262,13 +3262,13 @@
  *	This symbol tells the name of the array holding the stdio streams.
  *	Usual values include _iob, __iob, and __sF.
  */
-/*#define	HAS_STDIO_STREAM_ARRAY	/ **/
+/*#define HAS_STDIO_STREAM_ARRAY        / **/
 #define STDIO_STREAM_ARRAY	
 
 /* Uid_t_f:
  *	This symbol defines the format string used for printing a Uid_t.
  */
-#define	Uid_t_f		"hd"		/**/
+#define Uid_t_f         "hd"            /**/
 
 /* Uid_t_sign:
  *	This symbol holds the signedess of a Uid_t.
@@ -3307,11 +3307,11 @@
  *	you may need at least to reboot your OS to 64-bit mode.
  */
 #ifndef USE_64_BIT_INT
-/*#define	USE_64_BIT_INT		/ **/
+/*#define USE_64_BIT_INT                / **/
 #endif
 
 #ifndef USE_64_BIT_ALL
-/*#define	USE_64_BIT_ALL		/ **/
+/*#define USE_64_BIT_ALL                / **/
 #endif
 
 /* USE_FAST_STDIO:
@@ -3320,7 +3320,7 @@
  *	Defaults to define in Perls 5.8 and earlier, to undef later.
  */
 #ifndef USE_FAST_STDIO
-/*#define	USE_FAST_STDIO		/ **/
+/*#define USE_FAST_STDIO                / **/
 #endif
 
 /* USE_LARGE_FILES:
@@ -3328,7 +3328,7 @@
  *	should be used when available.
  */
 #ifndef USE_LARGE_FILES
-#define	USE_LARGE_FILES		/**/
+#define USE_LARGE_FILES         /**/
 #endif
 
 /* USE_LONG_DOUBLE:
@@ -3336,7 +3336,7 @@
  *	be used when available.
  */
 #ifndef USE_LONG_DOUBLE
-/*#define	USE_LONG_DOUBLE		/ **/
+/*#define USE_LONG_DOUBLE               / **/
 #endif
 
 /* USE_MORE_BITS:
@@ -3344,7 +3344,7 @@
  *	long doubles should be used when available.
  */
 #ifndef USE_MORE_BITS
-/*#define	USE_MORE_BITS		/ **/
+/*#define USE_MORE_BITS         / **/
 #endif
 
 /* MULTIPLICITY:
@@ -3352,7 +3352,7 @@
  *	be built to use multiplicity.
  */
 #ifndef MULTIPLICITY
-/*#define	MULTIPLICITY		/ **/
+/*#define MULTIPLICITY          / **/
 #endif
 
 /* USE_PERLIO:
@@ -3361,7 +3361,7 @@
  *	used in a fully backward compatible manner.
  */
 #ifndef USE_PERLIO
-#define	USE_PERLIO		/**/
+#define USE_PERLIO              /**/
 #endif
 
 /* USE_SOCKS:
@@ -3369,7 +3369,7 @@
  *	be built to use socks.
  */
 #ifndef USE_SOCKS
-/*#define	USE_SOCKS		/ **/
+/*#define USE_SOCKS             / **/
 #endif
 
 /* USE_ITHREADS:
@@ -3391,10 +3391,10 @@
  *	try to use the various _r versions of library functions.
  *	This is extremely experimental.
  */
-/*#define	USE_ITHREADS		/ **/
-/*#define		USE_THREADS		/ **/
-/*#define	OLD_PTHREADS_API		/ **/
-/*#define	USE_REENTRANT_API	/ **/
+/*#define USE_ITHREADS          / **/
+/*#define       USE_THREADS             / **/
+/*#define OLD_PTHREADS_API              / **/
+/*#define USE_REENTRANT_API     / **/
 
 /* PERL_VENDORARCH:
  *	If defined, this symbol contains the name of a private library.
@@ -3489,8 +3489,8 @@
  *	Perl has been cross-compiled to.  Undefined if not a cross-compile.
  */
 #ifndef USE_CROSS_COMPILE
-/*#define	USE_CROSS_COMPILE	/ **/
-#define	PERL_TARGETARCH	""	/**/
+/*#define USE_CROSS_COMPILE     / **/
+#define PERL_TARGETARCH ""      /**/
 #endif
 
 /* HAS_COPYSIGNL:
@@ -3511,7 +3511,7 @@
  *	to the program to supply one.  A good guess is
  *		extern int dbminit(char *);
  */
-/*#define	HAS_DBMINIT_PROTO	/ **/
+/*#define HAS_DBMINIT_PROTO     / **/
 
 /* HAS_DIRFD:
  *	This manifest constant lets the C program know that dirfd
@@ -3525,7 +3525,7 @@
  *	to the program to supply one.  A good guess is
  *		extern int flock(int, int);
  */
-/*#define	HAS_FLOCK_PROTO	/ **/
+/*#define HAS_FLOCK_PROTO       / **/
 
 /* HAS_FPCLASSL:
  *	This symbol, if defined, indicates that the fpclassl routine is
@@ -3592,7 +3592,7 @@
  *	to the program to supply one.  A good guess is
  *		extern int sockatmark(int);
  */
-/*#define	HAS_SOCKATMARK_PROTO	/ **/
+/*#define HAS_SOCKATMARK_PROTO  / **/
 
 /* HAS_SETRESGID_PROTO:
  *	This symbol, if defined, indicates that the system provides
@@ -3600,7 +3600,7 @@
  *	to the program to supply one.  Good guesses are
  *		extern int setresgid(uid_t ruid, uid_t euid, uid_t suid);
  */
-/*#define	HAS_SETRESGID_PROTO	/ **/
+/*#define HAS_SETRESGID_PROTO   / **/
 
 /* HAS_SETRESUID_PROTO:
  *	This symbol, if defined, indicates that the system provides
@@ -3608,7 +3608,7 @@
  *	to the program to supply one.  Good guesses are
  *		extern int setresuid(uid_t ruid, uid_t euid, uid_t suid);
  */
-/*#define	HAS_SETRESUID_PROTO	/ **/
+/*#define HAS_SETRESUID_PROTO   / **/
 
 /* HAS_STRFTIME:
  *	This symbol, if defined, indicates that the strftime routine is
@@ -3635,7 +3635,7 @@
  *		extern int syscall(int,  ...);
  *		extern int syscall(long, ...);
  */
-/*#define	HAS_SYSCALL_PROTO	/ **/
+/*#define HAS_SYSCALL_PROTO     / **/
 
 /* U32_ALIGNMENT_REQUIRED:
  *	This symbol, if defined, indicates that you must access
@@ -3651,25 +3651,25 @@
  *	to the program to supply one.  A good guess is
  *		extern int usleep(useconds_t);
  */
-/*#define	HAS_USLEEP_PROTO	/ **/
+/*#define HAS_USLEEP_PROTO      / **/
 
 /* I_CRYPT:
  *	This symbol, if defined, indicates that <crypt.h> exists and
  *	should be included.
  */
-/*#define	I_CRYPT		/ **/
+/*#define I_CRYPT               / **/
 
 /* I_FP:
  *	This symbol, if defined, indicates that <fp.h> exists and
  *	should be included.
  */
-/*#define	I_FP		/ **/
+/*#define I_FP          / **/
 
 /* I_LANGINFO:
  *	This symbol, if defined, indicates that <langinfo.h> exists and
  *	should be included.
  */
-/*#define	I_LANGINFO		/ **/
+/*#define I_LANGINFO            / **/
 
 /* HAS_CTERMID_R:
  *	This symbol, if defined, indicates that the ctermid_r routine
diff --git a/plan9/plan9ish.h b/plan9/plan9ish.h
index a5a318e704..c7ac4ce449 100644
--- a/plan9/plan9ish.h
+++ b/plan9/plan9ish.h
@@ -12,7 +12,7 @@
  *	This symbol, if defined, indicates that the ioctl() routine is
  *	available to set I/O characteristics
  */
-#define	HAS_IOCTL		/**/
+#define HAS_IOCTL               /**/
  
 /* HAS_UTIME:
  *	This symbol, if defined, indicates that the routine utime() is