597 	int nn = *n;  in tnc_next()  local
599 	nn += 1;  in tnc_next()
600 	if (nn < znode->child_cnt) {  in tnc_next()
601 		*n = nn;  in tnc_next()
610 		nn = znode->iip + 1;  in tnc_next()
612 		if (nn < znode->child_cnt) {  in tnc_next()
613 			znode = get_znode(c, znode, nn);  in tnc_next()
621 			nn = 0;  in tnc_next()
626 	*n = nn;  in tnc_next()
642 	int nn = *n;  in tnc_prev()  local
644 	if (nn > 0) {  in tnc_prev()
645 		*n = nn - 1;  in tnc_prev()
654 		nn = znode->iip - 1;  in tnc_prev()
656 		if (nn >= 0) {  in tnc_prev()
657 			znode = get_znode(c, znode, nn);  in tnc_prev()
661 				nn = znode->child_cnt - 1;  in tnc_prev()
662 				znode = get_znode(c, znode, nn);  in tnc_prev()
666 			nn = znode->child_cnt - 1;  in tnc_prev()
671 	*n = nn;  in tnc_prev()
768 		int nn = *n;  in resolve_collision()  local
773 			err = tnc_next(c, &znode, &nn);  in resolve_collision()
778 			if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision()
780 			err = matches_name(c, &znode->zbranch[nn], nm);  in resolve_collision()
786 			*n = nn;  in resolve_collision()
885 	int uninitialized_var(o_n), err, cmp, unsure = 0, nn = *n;  in fallible_resolve_collision()
887 	cmp = fallible_matches_name(c, &znode->zbranch[nn], nm);  in fallible_resolve_collision()
894 		o_n = nn;  in fallible_resolve_collision()
953 		*n = nn;  in fallible_resolve_collision()
955 			err = tnc_next(c, &znode, &nn);  in fallible_resolve_collision()
960 			if (keys_cmp(c, &znode->zbranch[nn].key, key))  in fallible_resolve_collision()
962 			err = fallible_matches_name(c, &znode->zbranch[nn], nm);  in fallible_resolve_collision()
968 			*n = nn;  in fallible_resolve_collision()
973 				o_n = nn;  in fallible_resolve_collision()
1029 	int nn, err;  in resolve_collision_directly()  local
1032 	nn = *n;  in resolve_collision_directly()
1033 	if (matches_position(&znode->zbranch[nn], lnum, offs))  in resolve_collision_directly()
1038 		err = tnc_prev(c, &znode, &nn);  in resolve_collision_directly()
1043 		if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision_directly()
1045 		if (matches_position(&znode->zbranch[nn], lnum, offs)) {  in resolve_collision_directly()
1047 			*n = nn;  in resolve_collision_directly()
1054 	nn = *n;  in resolve_collision_directly()
1056 		err = tnc_next(c, &znode, &nn);  in resolve_collision_directly()
1061 		if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision_directly()
1064 		*n = nn;  in resolve_collision_directly()
1065 		if (matches_position(&znode->zbranch[nn], lnum, offs))  in resolve_collision_directly()
2977 	int n, nn;  in lookup_znode()  local
3037 	nn = n;  in lookup_znode()
3061 	n = nn;  in lookup_znode()
3133 	int n, found, err, nn;  in is_leaf_node_in_tnc()  local
3151 	nn = n;  in is_leaf_node_in_tnc()
3167 	n = nn;  in is_leaf_node_in_tnc()