124 #define	MORE()	(p->next < p->end)  macro
126 #define	SEE(c)	(MORE() && PEEK() == (c))
127 #define	SEETWO(a, b)	(MORE() && MORE2() && PEEK() == (a) && PEEK2() == (b))
136 #define	MUSTSEE(c, e)	(REQUIRE(MORE() && PEEK() == (c), e))
137 #define	MUSTEAT(c, e)	(REQUIRE(MORE() && GETNEXT() == (c), e))
138 #define	MUSTNOTSEE(c, e)	(REQUIRE(!MORE() || PEEK() != (c), e))
276 		while (MORE() && (c = PEEK()) != '|' && c != stop)  in p_ere()
301 	assert(!MORE() || SEE(stop));  in p_ere()
318 	assert(MORE());		/* caller should have ensured this */  in p_ere_exp()
324 		REQUIRE(MORE(), REG_EPAREN);  in p_ere_exp()
380 		REQUIRE(MORE(), REG_EESCAPE);  in p_ere_exp()
412 		REQUIRE(!MORE() || !isdigit((uch)PEEK()), REG_BADRPT);  in p_ere_exp()
419 	if (!MORE())  in p_ere_exp()
462 			while (MORE() && PEEK() != '}')  in p_ere_exp()
464 			REQUIRE(MORE(), REG_EBRACE);  in p_ere_exp()
470 	if (!MORE())  in p_ere_exp()
485 	REQUIRE(MORE(), REG_EMPTY);  in p_str()
486 	while (MORE())  in p_str()
514 	while (MORE() && !SEETWO(end1, end2)) {  in p_bre()
545         assert(MORE()); /* caller should have ensured this */  in p_simp_re()
548 		REQUIRE(MORE(), REG_EESCAPE);  in p_simp_re()
571 		if (MORE() && !SEETWO('\\', ')'))  in p_simp_re()
624 			if (MORE() && isdigit((uch)PEEK())) {  in p_simp_re()
633 			while (MORE() && !SEETWO('\\', '}'))  in p_simp_re()
635 			REQUIRE(MORE(), REG_EBRACE);  in p_simp_re()
653 	while (MORE() && isdigit((uch)PEEK()) && count <= DUPMAX) {  in p_count()
697 	while (MORE() && PEEK() != ']' && !SEETWO('-', ']'))  in p_bracket()
755 	switch ((MORE()) ? PEEK() : '\0') {  in p_b_term()
771 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
775 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
780 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
784 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
819 	while (MORE() && isalpha((uch)PEEK()))  in p_b_cclass()
860 	REQUIRE(MORE(), REG_EBRACK);  in p_b_symbol()
881 	while (MORE() && !SEETWO(endc, ']'))  in p_b_coll_elem()
883 	if (!MORE()) {  in p_b_coll_elem()