-static string_expand(char *newbuf, int bufsiz, char *pattern,
- char *match, regmatch_t *matches);
+static int regex_matches(char *pat, char *str, char *buf, regmatch_t *matches);
+static void string_expand(char *newbuf, int bufsiz, char *pattern,
+ char *match, regmatch_t *matches);