4505     int			subidx;  in addstate()  local
4758 		subidx = 0;  in addstate()
4764 		subidx = state->c - NFA_ZOPEN;  in addstate()
4770 		subidx = state->c - NFA_MOPEN;  in addstate()
4782 		if (subidx < sub->in_use)  in addstate()
4784 		    save_multipos = sub->list.multi[subidx];  in addstate()
4790 		    for (i = sub->in_use; i < subidx; ++i)  in addstate()
4795 		    sub->in_use = subidx + 1;  in addstate()
4799 		    sub->list.multi[subidx].start_lnum = rex.lnum + 1;  in addstate()
4800 		    sub->list.multi[subidx].start_col = 0;  in addstate()
4804 		    sub->list.multi[subidx].start_lnum = rex.lnum;  in addstate()
4805 		    sub->list.multi[subidx].start_col =  in addstate()
4808 		sub->list.multi[subidx].end_lnum = -1;  in addstate()
4812 		if (subidx < sub->in_use)  in addstate()
4814 		    save_ptr = sub->list.line[subidx].start;  in addstate()
4820 		    for (i = sub->in_use; i < subidx; ++i)  in addstate()
4825 		    sub->in_use = subidx + 1;  in addstate()
4827 		sub->list.line[subidx].start = rex.input + off;  in addstate()
4844 		    sub->list.multi[subidx] = save_multipos;  in addstate()
4846 		    sub->list.line[subidx].start = save_ptr;  in addstate()
4886 		subidx = 0;  in addstate()
4892 		subidx = state->c - NFA_ZCLOSE;  in addstate()
4898 		subidx = state->c - NFA_MCLOSE;  in addstate()
4905 	    if (sub->in_use <= subidx)  in addstate()
4906 		sub->in_use = subidx + 1;  in addstate()
4909 		save_multipos = sub->list.multi[subidx];  in addstate()
4912 		    sub->list.multi[subidx].end_lnum = rex.lnum + 1;  in addstate()
4913 		    sub->list.multi[subidx].end_col = 0;  in addstate()
4917 		    sub->list.multi[subidx].end_lnum = rex.lnum;  in addstate()
4918 		    sub->list.multi[subidx].end_col =  in addstate()
4926 		save_ptr = sub->list.line[subidx].end;  in addstate()
4927 		sub->list.line[subidx].end = rex.input + off;  in addstate()
4944 		sub->list.multi[subidx] = save_multipos;  in addstate()
4946 		sub->list.line[subidx].end = save_ptr;  in addstate()
5142     int		subidx,  in match_backref()  argument
5147     if (sub->in_use <= subidx)  in match_backref()
5157 	if (sub->list.multi[subidx].start_lnum < 0  in match_backref()
5158 				       || sub->list.multi[subidx].end_lnum < 0)  in match_backref()
5160 	if (sub->list.multi[subidx].start_lnum == rex.lnum  in match_backref()
5161 			       && sub->list.multi[subidx].end_lnum == rex.lnum)  in match_backref()
5163 	    len = sub->list.multi[subidx].end_col  in match_backref()
5164 					  - sub->list.multi[subidx].start_col;  in match_backref()
5165 	    if (cstrncmp(rex.line + sub->list.multi[subidx].start_col,  in match_backref()
5175 			sub->list.multi[subidx].start_lnum,  in match_backref()
5176 			sub->list.multi[subidx].start_col,  in match_backref()
5177 			sub->list.multi[subidx].end_lnum,  in match_backref()
5178 			sub->list.multi[subidx].end_col,  in match_backref()
5185 	if (sub->list.line[subidx].start == NULL  in match_backref()
5186 					|| sub->list.line[subidx].end == NULL)  in match_backref()
5188 	len = (int)(sub->list.line[subidx].end - sub->list.line[subidx].start);  in match_backref()
5189 	if (cstrncmp(sub->list.line[subidx].start, rex.input, &len) == 0)  in match_backref()
5206     int		subidx,  in match_zref()  argument
5212     if (re_extmatch_in == NULL || re_extmatch_in->matches[subidx] == NULL)  in match_zref()
5219     len = (int)STRLEN(re_extmatch_in->matches[subidx]);  in match_zref()
5220     if (cstrncmp(re_extmatch_in->matches[subidx], rex.input, &len) == 0)  in match_zref()
6713 		int subidx;  in nfa_regmatch()  local
6718 		    subidx = t->state->c - NFA_BACKREF1 + 1;  in nfa_regmatch()
6719 		    result = match_backref(&t->subs.norm, subidx, &bytelen);  in nfa_regmatch()
6724 		    subidx = t->state->c - NFA_ZREF1 + 1;  in nfa_regmatch()
6725 		    result = match_zref(subidx, &bytelen);  in nfa_regmatch()