STATIC U8* S_reghopmaybe(pTHX_ U8 *pos, I32 off);
STATIC U8* S_reghopmaybe3(pTHX_ U8 *pos, I32 off, U8 *lim);
STATIC char* S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, char *strend, char *startpos, I32 norun);
+STATIC void S_to_utf8_substr(pTHX_ regexp * prog);
+STATIC void S_to_byte_substr(pTHX_ regexp * prog);
#endif
#if defined(PERL_IN_DUMP_C) || defined(PERL_DECL_PROT)