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 14