#
PATH=/bin:/usr/bin
TMP=/tmp/proto$$
HDIR=

trap "rm -f $TMP" SIGINT SIGQUIT

proto ()
{
	for f in $*
	do
		echo "#ifdef __STDC__"
		cat $f | sed -e '/^#if.*STANDALONE/,$d' | awk '/^[A-Za-z].*\(.*\) {.*$/ && !/static/ && !/typedef/ {\
		printf( "extern %s;\n", $0 ); }' | sed -e 's/ {//'
		echo "#else"
		cat $f | sed -e '/^#if.*STANDALONE/,$d' | awk '/^[A-Za-z].*\(.*\) {.*$/ && !/static/ && !/typedef/ {\
		printf( "extern %s;\n", $0 ); }' | sed -e 's/(.*$/();/'
		echo "#endif"
	done
}

for file_c in $*
do
	if [ ! -f $file_c ]; then echo "$file_c?"; exit 1; fi

	file_h=`basename $file_c .c`.h
	if [ ! -f $file_h ]; then
		if [ "$HDIR" != "" ]; then
			if [ ! -f $HDIR/$file_h ];
			then echo "$file_h?"; exit 1
			else file_h=$HDIR/$file_h
			fi
		else echo "$file_h?"; exit 1
		fi
	fi

	proto $file_c >$TMP

	if [ `grep -c '__STDC__' $file_h` != 0 ]
	then
		>/dev/null ed $file_h <<-__A_MARK__
/__STDC__/,/endif/d
-1r $TMP
w
q
__A_MARK__
	else
		>/dev/null ed $file_h <<-__A_MARK__
$
?endif?-1r $TMP
w
q
__A_MARK__
	fi
done

rm -fr $TMP
exit 0