?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