STATIC char* S_regwhite(pTHX_ char *, char *);
STATIC char* S_nextchar(pTHX);
STATIC regnode* S_dumpuntil(pTHX_ regnode *start, regnode *node, regnode *last, SV* sv, I32 l);
-STATIC void S_put_byte(pTHX_ SV* sv, int c);
STATIC void S_scan_commit(pTHX_ struct scan_data_t *data);
-STATIC void S_cl_anything(pTHX_ struct regnode_charclass_class *cl);
-STATIC int S_cl_is_anything(pTHX_ struct regnode_charclass_class *cl);
-STATIC void S_cl_init(pTHX_ struct regnode_charclass_class *cl);
-STATIC void S_cl_init_zero(pTHX_ struct regnode_charclass_class *cl);
-STATIC void S_cl_and(pTHX_ struct regnode_charclass_class *cl, struct regnode_charclass_class *and_with);
-STATIC void S_cl_or(pTHX_ struct regnode_charclass_class *cl, struct regnode_charclass_class *or_with);
STATIC I32 S_study_chunk(pTHX_ regnode **scanp, I32 *deltap, regnode *last, struct scan_data_t *data, U32 flags);
STATIC I32 S_add_data(pTHX_ I32 n, char *s);
STATIC void S_re_croak2(pTHX_ const char* pat1, const char* pat2, ...) __attribute__((noreturn));