115 #define	MORE()	(p->next < p->end)  macro
117 #define	SEE(c)	(MORE() && PEEK() == (c))
118 #define	SEETWO(a, b)	(MORE() && MORE2() && PEEK() == (a) && PEEK2() == (b))
127 #define	MUSTSEE(c, e)	REQUIRE(MORE() && PEEK() == (c), e)
128 #define	MUSTEAT(c, e)	REQUIRE(MORE() && GETNEXT() == (c), e)
129 #define	MUSTNOTSEE(c, e)	REQUIRE(!MORE() || PEEK() != (c), e)
260 		while (MORE() && (c = PEEK()) != '|' && c != stop)  in p_ere()
285 	assert(!MORE() || SEE(stop));  in p_ere()
301 	assert(MORE());		/* caller should have ensured this */  in p_ere_exp()
307 		REQUIRE(MORE(), REG_EPAREN);  in p_ere_exp()
363 		REQUIRE(MORE(), REG_EESCAPE);  in p_ere_exp()
368 		REQUIRE(!MORE() || !isdigit((uch)PEEK()), REG_BADRPT);  in p_ere_exp()
375 	if (!MORE())  in p_ere_exp()
418 			while (MORE() && PEEK() != '}')  in p_ere_exp()
420 			REQUIRE(MORE(), REG_EBRACE);  in p_ere_exp()
426 	if (!MORE())  in p_ere_exp()
441 	REQUIRE(MORE(), REG_EMPTY);  in p_str()
442 	while (MORE())  in p_str()
470 	while (MORE() && !SEETWO(end1, end2)) {  in p_bre()
501 	assert(MORE());		/* caller should have ensured this */  in p_simp_re()
504 		REQUIRE(MORE(), REG_EESCAPE);  in p_simp_re()
527 		if (MORE() && !SEETWO('\\', ')'))  in p_simp_re()
580 			if (MORE() && isdigit((uch)PEEK())) {  in p_simp_re()
589 			while (MORE() && !SEETWO('\\', '}'))  in p_simp_re()
591 			REQUIRE(MORE(), REG_EBRACE);  in p_simp_re()
609 	while (MORE() && isdigit((uch)PEEK()) && count <= DUPMAX) {  in p_count()
653 	while (MORE() && PEEK() != ']' && !SEETWO('-', ']'))  in p_bracket()
711 	switch ((MORE()) ? PEEK() : '\0') {  in p_b_term()
727 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
731 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
736 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
740 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
775 	while (MORE() && isalpha(PEEK()))  in p_b_cclass()
816 	REQUIRE(MORE(), REG_EBRACK);  in p_b_symbol()
837 	while (MORE() && !SEETWO(endc, ']'))  in p_b_coll_elem()
839 	if (!MORE()) {  in p_b_coll_elem()