173 #define	MORE()	(p->next < p->end)  macro
175 #define	SEE(c)	(MORE() && PEEK() == (c))
176 #define	SEETWO(a, b)	(MORE() && MORE2() && PEEK() == (a) && PEEK2() == (b))
187 #define	MUSTSEE(c, e)	(REQUIRE(MORE() && PEEK() == (c), e))
188 #define	MUSTEAT(c, e)	(REQUIRE(MORE() && GETNEXT() == (c), e))
189 #define	MUSTNOTSEE(c, e)	(REQUIRE(!MORE() || PEEK() != (c), e))
371 	assert(MORE());		/* caller should have ensured this */  in p_ere_exp()
377 		(void)REQUIRE(MORE(), REG_EPAREN);  in p_ere_exp()
434 		(void)REQUIRE(MORE(), REG_EESCAPE);  in p_ere_exp()
457 	if (!MORE())  in p_ere_exp()
502 			while (MORE() && PEEK() != '}')  in p_ere_exp()
504 			(void)REQUIRE(MORE(), REG_EBRACE);  in p_ere_exp()
510 	if (!MORE())  in p_ere_exp()
527 	(void)REQUIRE(MORE(), REG_EMPTY);  in p_str()
528 	while (MORE())  in p_str()
613 	else if ((ate > 1 || (bc->outer && !MORE())) && !p_branch_empty(p, bc))  in p_branch_do()
683 		while (MORE() && (!p->allowbranch || !SEESPEC('|')) && !SEEEND()) {  in p_re()
705 	assert(!MORE() || SEE(end1));  in p_re()
726 	assert(MORE());		/* caller should have ensured this */  in p_simp_re()
729 		(void)REQUIRE(MORE(), REG_EESCAPE);  in p_simp_re()
758 		if (MORE() && !SEETWO('\\', ')'))  in p_simp_re()
819 			if (MORE() && isdigit((uch)PEEK())) {  in p_simp_re()
828 			while (MORE() && !SEETWO('\\', '}'))  in p_simp_re()
830 			(void)REQUIRE(MORE(), REG_EBRACE);  in p_simp_re()
849 	while (MORE() && isdigit((uch)PEEK()) && count <= DUPMAX) {  in p_count()
891 	while (MORE() && PEEK() != ']' && !SEETWO('-', ']'))  in p_bracket()
942 	switch ((MORE()) ? PEEK() : '\0') {
957 		(void)REQUIRE(MORE(), REG_EBRACK);
961 		(void)REQUIRE(MORE(), REG_EBRACK);
966 		(void)REQUIRE(MORE(), REG_EBRACK);
970 		(void)REQUIRE(MORE(), REG_EBRACK);
1019 	while (MORE() && isalpha((uch)PEEK()))
1059 	(void)REQUIRE(MORE(), REG_EBRACK);
1083 	while (MORE() && !SEETWO(endc, ']'))
1085 	if (!MORE()) {