145 	const char *stop;  in matcher()  local
152 		stop = string + pmatch[0].rm_eo;  in matcher()
155 		stop = start + strlen(start);  in matcher()
157 	if (stop < start)  in matcher()
162 		for (dp = start; dp < stop; dp++)  in matcher()
163 			if (*dp == g->must[0] && stop - dp >= g->mlen &&  in matcher()
166 		if (dp == stop)		/* we didn't find g->must */  in matcher()
177 	m->endp = stop;  in matcher()
187 		endp = fast(m, start, stop, gf, gl);  in matcher()
201 			endp = slow(m, m->coldp, stop, gf, gl);  in matcher()
264 		if (m->coldp == stop)  in matcher()
295 dissect(struct match *m, const char *start, const char *stop, sopno startst,  in dissect()  argument
312 	AT("diss", start, stop, startst, stopst);  in dissect()
352 			stp = stop;  in dissect()
358 				tail = slow(m, rest, stop, es, stopst);  in dissect()
359 				if (tail == stop)  in dissect()
376 			stp = stop;  in dissect()
382 				tail = slow(m, rest, stop, es, stopst);  in dissect()
383 				if (tail == stop)  in dissect()
412 			stp = stop;  in dissect()
418 				tail = slow(m, rest, stop, es, stopst);  in dissect()
419 				if (tail == stop)  in dissect()
469 	assert(sp == stop);  in dissect()
477 backref(struct match *m, const char *start, const char *stop, sopno startst,  in backref()  argument
493 	AT("back", start, stop, startst, stopst);  in backref()
501 			if (sp == stop || *sp++ != (char)OPND(s))  in backref()
505 			if (sp == stop)  in backref()
511 			if (sp == stop || !CHIN(cs, *sp++))  in backref()
564 		if (sp != stop)  in backref()
571 	AT("hard", sp, stop, ss, stopst);  in backref()
583 		assert(stop - m->beginp >= len);  in backref()
584 		if (sp > stop - len)  in backref()
591 		return(backref(m, sp+len, stop, ss+1, stopst, lev, rec));  in backref()
594 		dp = backref(m, sp, stop, ss+1, stopst, lev, rec);  in backref()
597 		return(backref(m, sp, stop, ss+OPND(s)+1, stopst, lev, rec));  in backref()
603 		return(backref(m, sp, stop, ss+1, stopst, lev+1, rec));  in backref()
607 			return(backref(m, sp, stop, ss+1, stopst, lev-1, rec));  in backref()
610 		dp = backref(m, sp, stop, ss-OPND(s)+1, stopst, lev, rec);  in backref()
612 			return(backref(m, sp, stop, ss+1, stopst, lev-1, rec));  in backref()
621 			dp = backref(m, sp, stop, ssub, esub, lev, rec);  in backref()
642 		dp = backref(m, sp, stop, ss+1, stopst, lev, rec);  in backref()
653 		dp = backref(m, sp, stop, ss+1, stopst, lev, rec);  in backref()
674 fast(struct match *m, const char *start, const char *stop, sopno startst,  in fast()  argument
738 		if (ISSET(st, stopst) || p == stop)  in fast()
763 slow(struct match *m, const char *start, const char *stop, sopno startst,  in slow()  argument
781 	AT("slow", start, stop, startst, stopst);  in slow()
827 		if (EQ(st, empty) || p == stop)  in slow()
850     sopno stop,			/* state after stop state within strip */  in step()  argument
862 	for (pc = start, INIT(here, pc); pc != stop; pc++, INC(here)) {  in step()
866 			assert(pc == stop-1);  in step()
989 at(struct match *m, const char *title, const char *start, const char *stop,  in at()  argument
996 	(void)printf("%s ", pchar(*stop));  in at()