591 	int nn = *n;  in tnc_next()  local
593 	nn += 1;  in tnc_next()
594 	if (nn < znode->child_cnt) {  in tnc_next()
595 		*n = nn;  in tnc_next()
604 		nn = znode->iip + 1;  in tnc_next()
606 		if (nn < znode->child_cnt) {  in tnc_next()
607 			znode = get_znode(c, znode, nn);  in tnc_next()
615 			nn = 0;  in tnc_next()
620 	*n = nn;  in tnc_next()
636 	int nn = *n;  in tnc_prev()  local
638 	if (nn > 0) {  in tnc_prev()
639 		*n = nn - 1;  in tnc_prev()
648 		nn = znode->iip - 1;  in tnc_prev()
650 		if (nn >= 0) {  in tnc_prev()
651 			znode = get_znode(c, znode, nn);  in tnc_prev()
655 				nn = znode->child_cnt - 1;  in tnc_prev()
656 				znode = get_znode(c, znode, nn);  in tnc_prev()
660 			nn = znode->child_cnt - 1;  in tnc_prev()
665 	*n = nn;  in tnc_prev()
762 		int nn = *n;  in resolve_collision()  local
767 			err = tnc_next(c, &znode, &nn);  in resolve_collision()
772 			if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision()
774 			err = matches_name(c, &znode->zbranch[nn], nm);  in resolve_collision()
780 			*n = nn;  in resolve_collision()
879 	int uninitialized_var(o_n), err, cmp, unsure = 0, nn = *n;  in fallible_resolve_collision()
881 	cmp = fallible_matches_name(c, &znode->zbranch[nn], nm);  in fallible_resolve_collision()
888 		o_n = nn;  in fallible_resolve_collision()
947 		*n = nn;  in fallible_resolve_collision()
949 			err = tnc_next(c, &znode, &nn);  in fallible_resolve_collision()
954 			if (keys_cmp(c, &znode->zbranch[nn].key, key))  in fallible_resolve_collision()
956 			err = fallible_matches_name(c, &znode->zbranch[nn], nm);  in fallible_resolve_collision()
962 			*n = nn;  in fallible_resolve_collision()
967 				o_n = nn;  in fallible_resolve_collision()
1023 	int nn, err;  in resolve_collision_directly()  local
1026 	nn = *n;  in resolve_collision_directly()
1027 	if (matches_position(&znode->zbranch[nn], lnum, offs))  in resolve_collision_directly()
1032 		err = tnc_prev(c, &znode, &nn);  in resolve_collision_directly()
1037 		if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision_directly()
1039 		if (matches_position(&znode->zbranch[nn], lnum, offs)) {  in resolve_collision_directly()
1041 			*n = nn;  in resolve_collision_directly()
1048 	nn = *n;  in resolve_collision_directly()
1050 		err = tnc_next(c, &znode, &nn);  in resolve_collision_directly()
1055 		if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision_directly()
1058 		*n = nn;  in resolve_collision_directly()
1059 		if (matches_position(&znode->zbranch[nn], lnum, offs))  in resolve_collision_directly()
2975 	int n, nn;  in lookup_znode()  local
3035 	nn = n;  in lookup_znode()
3059 	n = nn;  in lookup_znode()
3131 	int n, found, err, nn;  in is_leaf_node_in_tnc()  local
3149 	nn = n;  in is_leaf_node_in_tnc()
3165 	n = nn;  in is_leaf_node_in_tnc()