139 #define	MORE()	(p->next < p->end)  macro
141 #define	SEE(c)	(MORE() && PEEK() == (c))
142 #define	SEETWO(a, b)	(MORE() && MORE2() && PEEK() == (a) && PEEK2() == (b))
151 #define	MUSTSEE(c, e)	(REQUIRE(MORE() && PEEK() == (c), e))
152 #define	MUSTEAT(c, e)	(REQUIRE(MORE() && GETNEXT() == (c), e))
153 #define	MUSTNOTSEE(c, e)	(REQUIRE(!MORE() || PEEK() != (c), e))
305 		while (MORE() && (c = PEEK()) != '|' && c != stop)  in p_ere()
330 	assert(!MORE() || SEE(stop));  in p_ere()
346 	assert(MORE());		/* caller should have ensured this */  in p_ere_exp()
352 		(void)REQUIRE(MORE(), REG_EPAREN);  in p_ere_exp()
408 		(void)REQUIRE(MORE(), REG_EESCAPE);  in p_ere_exp()
413 		(void)REQUIRE(!MORE() || !ISDIGIT((UCHAR_T)PEEK()), REG_BADRPT);  in p_ere_exp()
420 	if (!MORE())  in p_ere_exp()
463 			while (MORE() && PEEK() != '}')  in p_ere_exp()
465 			(void)REQUIRE(MORE(), REG_EBRACE);  in p_ere_exp()
471 	if (!MORE())  in p_ere_exp()
486 	(void)REQUIRE(MORE(), REG_EMPTY);  in p_str()
487 	while (MORE())  in p_str()
523 	while (MORE() && !SEETWO(end1, end2)) {  in p_bre()
555 	assert(MORE());		/* caller should have ensured this */  in p_simp_re()
559 		(void)REQUIRE(MORE(), REG_EESCAPE);  in p_simp_re()
572 			if (MORE() && !SEETWO('\\', ')'))  in p_simp_re()
641 			if (MORE() && ISDIGIT((UCHAR_T)PEEK())) {  in p_simp_re()
650 			while (MORE() && !SEETWO('\\', '}'))  in p_simp_re()
652 			(void)REQUIRE(MORE(), REG_EBRACE);  in p_simp_re()
670 	while (MORE() && ISDIGIT((UCHAR_T)PEEK()) && count <= DUPMAX) {  in p_count()
715 	while (MORE() && PEEK() != ']' && !SEETWO('-', ']'))  in p_bracket()
771 	switch ((MORE()) ? PEEK() : '\0') {  in p_b_term()
787 		(void)REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
791 		(void)REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
796 		(void)REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
800 		(void)REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
835 	while (MORE() && isalpha(PEEK()))  in p_b_cclass()
876 	(void)REQUIRE(MORE(), REG_EBRACK);  in p_b_symbol()
898 	while (MORE() && !SEETWO(endc, ']'))  in p_b_coll_elem()
900 	if (!MORE()) {  in p_b_coll_elem()