596 	int nn = *n;  in tnc_next()  local
598 	nn += 1;  in tnc_next()
599 	if (nn < znode->child_cnt) {  in tnc_next()
600 		*n = nn;  in tnc_next()
609 		nn = znode->iip + 1;  in tnc_next()
611 		if (nn < znode->child_cnt) {  in tnc_next()
612 			znode = get_znode(c, znode, nn);  in tnc_next()
620 			nn = 0;  in tnc_next()
625 	*n = nn;  in tnc_next()
641 	int nn = *n;  in tnc_prev()  local
643 	if (nn > 0) {  in tnc_prev()
644 		*n = nn - 1;  in tnc_prev()
653 		nn = znode->iip - 1;  in tnc_prev()
655 		if (nn >= 0) {  in tnc_prev()
656 			znode = get_znode(c, znode, nn);  in tnc_prev()
660 				nn = znode->child_cnt - 1;  in tnc_prev()
661 				znode = get_znode(c, znode, nn);  in tnc_prev()
665 			nn = znode->child_cnt - 1;  in tnc_prev()
670 	*n = nn;  in tnc_prev()
767 		int nn = *n;  in resolve_collision()  local
772 			err = tnc_next(c, &znode, &nn);  in resolve_collision()
777 			if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision()
779 			err = matches_name(c, &znode->zbranch[nn], nm);  in resolve_collision()
785 			*n = nn;  in resolve_collision()
884 	int uninitialized_var(o_n), err, cmp, unsure = 0, nn = *n;  in fallible_resolve_collision()
886 	cmp = fallible_matches_name(c, &znode->zbranch[nn], nm);  in fallible_resolve_collision()
893 		o_n = nn;  in fallible_resolve_collision()
952 		*n = nn;  in fallible_resolve_collision()
954 			err = tnc_next(c, &znode, &nn);  in fallible_resolve_collision()
959 			if (keys_cmp(c, &znode->zbranch[nn].key, key))  in fallible_resolve_collision()
961 			err = fallible_matches_name(c, &znode->zbranch[nn], nm);  in fallible_resolve_collision()
967 			*n = nn;  in fallible_resolve_collision()
972 				o_n = nn;  in fallible_resolve_collision()
1028 	int nn, err;  in resolve_collision_directly()  local
1031 	nn = *n;  in resolve_collision_directly()
1032 	if (matches_position(&znode->zbranch[nn], lnum, offs))  in resolve_collision_directly()
1037 		err = tnc_prev(c, &znode, &nn);  in resolve_collision_directly()
1042 		if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision_directly()
1044 		if (matches_position(&znode->zbranch[nn], lnum, offs)) {  in resolve_collision_directly()
1046 			*n = nn;  in resolve_collision_directly()
1053 	nn = *n;  in resolve_collision_directly()
1055 		err = tnc_next(c, &znode, &nn);  in resolve_collision_directly()
1060 		if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision_directly()
1063 		*n = nn;  in resolve_collision_directly()
1064 		if (matches_position(&znode->zbranch[nn], lnum, offs))  in resolve_collision_directly()
2976 	int n, nn;  in lookup_znode()  local
3036 	nn = n;  in lookup_znode()
3060 	n = nn;  in lookup_znode()
3132 	int n, found, err, nn;  in is_leaf_node_in_tnc()  local
3150 	nn = n;  in is_leaf_node_in_tnc()
3166 	n = nn;  in is_leaf_node_in_tnc()