?RCS: $Id: d_strchr.U,v 3.0.1.2 1993/10/16 13:49:20 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_strchr.U,v $
?RCS: Revision 3.0.1.2  1993/10/16  13:49:20  ram
?RCS: patch12: added support for HAS_INDEX
?RCS: patch12: added magic for index() and rindex()
?RCS:
?RCS: Revision 3.0.1.1  1993/09/13  16:05:26  ram
?RCS: patch10: now only defines HAS_STRCHR, no macro remap of index (WAD)
?RCS:
?RCS: Revision 3.0  1993/08/18  12:07:32  ram
?RCS: Baseline for dist 3.0 netwide release.
?RCS:
?MAKE:d_strchr d_index: contains strings Setvar Myread Oldconfig Csym
?MAKE:	-pick add $@ %<
?S:d_strchr:
?S:	This variable conditionally defines HAS_STRCHR if strchr() and
?S:	strrchr() are available for string searching.
?S:.
?S:d_index:
?S:	This variable conditionally defines HAS_INDEX if index() and
?S:	rindex() are available for string searching.
?S:.
?C:HAS_STRCHR:
?C:	This symbol is defined to indicate that the strchr()/strrchr()
?C:	functions are available for string searching. If not, try the
?C:	index()/rindex() pair.
?C:.
?C:HAS_INDEX:
?C:	This symbol is defined to indicate that the index()/rindex()
?C:	functions are available for string searching.
?C:.
?H:#$d_strchr HAS_STRCHR	/**/
?H:#$d_index HAS_INDEX	/**/
?H:.
?M:index: HAS_INDEX
?M:#ifndef HAS_INDEX
?M:#ifndef index
?M:#define index strchr
?M:#endif
?M:#endif
?M:.
?M:rindex: HAS_INDEX
?M:#ifndef HAS_INDEX
?M:#ifndef rindex
?M:#define rindex strrchr
?M:#endif
?M:#endif
?M:.
?T:vali
?LINT:set d_strchr d_index
: index or strchr
echo " "
if set index val -f; eval $csym; $val; then
	if set strchr val -f d_strchr; eval $csym; $val; then
		if $contains strchr "$strings" >/dev/null 2>&1 ; then
?X: has index, strchr, and strchr in string header
			val="$define"
			vali="$undef"
			echo "strchr() found." >&4
		else
?X: has index, strchr, and no strchr in string header
			val="$undef"
			vali="$define"
			echo "index() found." >&4
		fi
	else
?X: has only index, no strchr, string header is a moot point
		val="$undef"
		vali="$define"
		echo "index() found." >&4
	fi
else
	if set strchr val -f d_strchr; eval $csym; $val; then
		val="$define"
		vali="$undef"
		echo "strchr() found." >&4
	else
		echo "No index() or strchr() found!" >&4
		val="$undef"
		vali="$undef"
	fi
fi
set d_strchr; eval $setvar
val="$vali"
set d_index; eval $setvar