177 #define	MORE()	(p->end - p->next > 0)  macro
179 #define	SEE(c)	(MORE() && PEEK() == (c))
192 #define	MUSTSEE(c, e)	(REQUIRE(MORE() && PEEK() == (c), e))
193 #define	MUSTEAT(c, e)	(REQUIRE(MORE() && GETNEXT() == (c), e))
194 #define	MUSTNOTSEE(c, e)	(REQUIRE(!MORE() || PEEK() != (c), e))
408 	assert(MORE());		/* caller should have ensured this */  in p_ere_exp()
417 		(void)REQUIRE(MORE(), REG_EPAREN);  in p_ere_exp()
474 		(void)REQUIRE(MORE(), REG_EESCAPE);  in p_ere_exp()
553 	if (!MORE())  in p_ere_exp()
598 			while (MORE() && PEEK() != '}')  in p_ere_exp()
600 			(void)REQUIRE(MORE(), REG_EBRACE);  in p_ere_exp()
606 	if (!MORE())  in p_ere_exp()
623 	(void)REQUIRE(MORE(), REG_EMPTY);  in p_str()
624 	while (MORE())  in p_str()
709 	else if ((ate > 1 || (bc->outer && !MORE())) && !p_branch_empty(p, bc))  in p_branch_do()
779 		while (MORE() && (!p->allowbranch || !SEESPEC('|')) && !SEEEND()) {  in p_re()
805 	assert(!MORE() || SEE(end1));  in p_re()
829 	assert(MORE());		/* caller should have ensured this */  in p_simp_re()
832 		(void)REQUIRE(MORE(), REG_EESCAPE);  in p_simp_re()
890 			if (MORE() && !SEETWO('\\', ')'))  in p_simp_re()
963 			if (MORE() && isdigit((uch)PEEK())) {  in p_simp_re()
972 			while (MORE() && !SEETWO('\\', '}'))  in p_simp_re()
974 			(void)REQUIRE(MORE(), REG_EBRACE);  in p_simp_re()
993 	while (MORE() && isdigit((uch)PEEK()) && count <= DUPMAX) {  in p_count()
1037 	while (MORE() && PEEK() != ']' && !SEETWO('-', ']'))  in p_bracket()
1088 	switch ((MORE()) ? PEEK() : '\0') {
1103 		(void)REQUIRE(MORE(), REG_EBRACK);
1107 		(void)REQUIRE(MORE(), REG_EBRACK);
1112 		(void)REQUIRE(MORE(), REG_EBRACK);
1116 		(void)REQUIRE(MORE(), REG_EBRACK);
1199 	while (MORE() && isalpha((uch)PEEK()))
1250 	(void)REQUIRE(MORE(), REG_EBRACK);
1274 	while (MORE() && !SEETWO(endc, ']'))
1276 	if (!MORE()) {