f4                204 ext/ereg/regex/main.c try(f0, f1, f2, f3, f4, opts)
f4                209 ext/ereg/regex/main.c char *f4;
f4                285 ext/ereg/regex/main.c 	if (err != 0 || f4 == NULL) {
f4                292 ext/ereg/regex/main.c 	nshould = split(f4, should+1, NSHOULD-1, ",");