116 #define	MORE()	(p->next < p->end)  macro
118 #define	SEE(c)	(MORE() && PEEK() == (c))
119 #define	SEETWO(a, b)	(MORE() && MORE2() && PEEK() == (a) && PEEK2() == (b))
128 #define	MUSTSEE(c, e)	(REQUIRE(MORE() && PEEK() == (c), e))
129 #define	MUSTEAT(c, e)	(REQUIRE(MORE() && GETNEXT() == (c), e))
130 #define	MUSTNOTSEE(c, e)	(REQUIRE(!MORE() || PEEK() != (c), e))
268 		while (MORE() && (c = PEEK()) != '|' && c != stop)  in p_ere()
293 	assert(!MORE() || SEE(stop));  in p_ere()
310 	assert(MORE());		/* caller should have ensured this */  in p_ere_exp()
316 		REQUIRE(MORE(), REG_EPAREN);  in p_ere_exp()
372 		REQUIRE(MORE(), REG_EESCAPE);  in p_ere_exp()
404 		REQUIRE(!MORE() || !isdigit((uch)PEEK()), REG_BADRPT);  in p_ere_exp()
411 	if (!MORE())  in p_ere_exp()
454 			while (MORE() && PEEK() != '}')  in p_ere_exp()
456 			REQUIRE(MORE(), REG_EBRACE);  in p_ere_exp()
462 	if (!MORE())  in p_ere_exp()
477 	REQUIRE(MORE(), REG_EMPTY);  in p_str()
478 	while (MORE())  in p_str()
506 	while (MORE() && !SEETWO(end1, end2)) {  in p_bre()
537 	assert(MORE());		/* caller should have ensured this */  in p_simp_re()
540 		REQUIRE(MORE(), REG_EESCAPE);  in p_simp_re()
563 		if (MORE() && !SEETWO('\\', ')'))  in p_simp_re()
616 			if (MORE() && isdigit((uch)PEEK())) {  in p_simp_re()
625 			while (MORE() && !SEETWO('\\', '}'))  in p_simp_re()
627 			REQUIRE(MORE(), REG_EBRACE);  in p_simp_re()
645 	while (MORE() && isdigit((uch)PEEK()) && count <= DUPMAX) {  in p_count()
689 	while (MORE() && PEEK() != ']' && !SEETWO('-', ']'))  in p_bracket()
747 	switch ((MORE()) ? PEEK() : '\0') {  in p_b_term()
763 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
767 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
772 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
776 		REQUIRE(MORE(), REG_EBRACK);  in p_b_term()
811 	while (MORE() && isalpha((uch)PEEK()))  in p_b_cclass()
852 	REQUIRE(MORE(), REG_EBRACK);  in p_b_symbol()
873 	while (MORE() && !SEETWO(endc, ']'))  in p_b_coll_elem()
875 	if (!MORE()) {  in p_b_coll_elem()