1da2e3ebdSchinset	prototyped
2da2e3ebdSchinhdr	vfork
3da2e3ebdSchinsys	vfork
4da2e3ebdSchin
5da2e3ebdSchintst	run{
6da2e3ebdSchin	if	test "$_hdr_vfork" = 1
7da2e3ebdSchin	then	echo "#include <vfork.h>"
8da2e3ebdSchin	elif	test "$_sys_vfork" = 1
9da2e3ebdSchin	then	echo "#include <sys/vfork.h>"
10da2e3ebdSchin	else	echo '#include <unistd.h>' > $tmp.c
11da2e3ebdSchin		$cc -E $tmp.c | grep vfork
12da2e3ebdSchin	fi
13da2e3ebdSchin}end
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