252 #define	MORE()	(p->next < p->end)  macro
254 #define	SEE(c)	(MORE() && PEEK() == (c))
255 #define	SEETWO(a, b)	(MORE() && MORE2() && PEEK() == (a) && PEEK2() == (b))
264 #define	MUSTSEE(c, e)	(REQUIRE(MORE() && PEEK() == (c), e))
265 #define	MUSTEAT(c, e)	(REQUIRE(MORE() && GETNEXT() == (c), e))
266 #define	MUSTNOTSEE(c, e)	(REQUIRE(!MORE() || PEEK() != (c), e))
404 		while (MORE() && (c = PEEK()) != '|' && c != stop)  in p_ere()
429 	assert(!MORE() || SEE(stop));  in p_ere()
446 	assert(MORE());		/* caller should have ensured this */  in p_ere_exp()
452 		REQUIRE(MORE(), REG_EPAREN);  in p_ere_exp()
508 		REQUIRE(MORE(), REG_EESCAPE);  in p_ere_exp()
540 		REQUIRE(!MORE() || !isdigit((uch)PEEK()), REG_BADRPT);  in p_ere_exp()
547 	if (!MORE())  in p_ere_exp()
590 			while (MORE() && PEEK() != '}')  in p_ere_exp()
592 			REQUIRE(MORE(), REG_EBRACE);  in p_ere_exp()
598 	if (!MORE())  in p_ere_exp()
613 	REQUIRE(MORE(), REG_EMPTY);  in p_str()
614 	while (MORE())  in p_str()
642 	while (MORE() && !SEETWO(end1, end2)) {  in p_bre()
673         assert(MORE()); /* caller should have ensured this */  in p_simp_re()
676 		REQUIRE(MORE(), REG_EESCAPE);  in p_simp_re()
699 		if (MORE() && !SEETWO('\\', ')'))  in p_simp_re()
752 			if (MORE() && isdigit((uch)PEEK())) {  in p_simp_re()
761 			while (MORE() && !SEETWO('\\', '}'))  in p_simp_re()
763 			REQUIRE(MORE(), REG_EBRACE);  in p_simp_re()
781 	while (MORE() && isdigit((uch)PEEK()) && count <= DUPMAX) {  in p_count()
825 	while (MORE() && PEEK() != ']' && !SEETWO('-', ']'))  in p_bracket()
883 	switch ((MORE()) ? PEEK() : '\0') {  in p_b_term()
899 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
903 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
908 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
912 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
947 	while (MORE() && isalpha((uch)PEEK()))  in p_b_cclass()
988 	REQUIRE(MORE(), REG_EBRACK);  in p_b_symbol()
1009 	while (MORE() && !SEETWO(endc, ']'))  in p_b_coll_elem()
1011 	if (!MORE()) {  in p_b_coll_elem()