609 	int nn = *n;  in tnc_next()  local
611 	nn += 1;  in tnc_next()
612 	if (nn < znode->child_cnt) {  in tnc_next()
613 		*n = nn;  in tnc_next()
622 		nn = znode->iip + 1;  in tnc_next()
624 		if (nn < znode->child_cnt) {  in tnc_next()
625 			znode = get_znode(c, znode, nn);  in tnc_next()
633 			nn = 0;  in tnc_next()
638 	*n = nn;  in tnc_next()
654 	int nn = *n;  in tnc_prev()  local
656 	if (nn > 0) {  in tnc_prev()
657 		*n = nn - 1;  in tnc_prev()
666 		nn = znode->iip - 1;  in tnc_prev()
668 		if (nn >= 0) {  in tnc_prev()
669 			znode = get_znode(c, znode, nn);  in tnc_prev()
673 				nn = znode->child_cnt - 1;  in tnc_prev()
674 				znode = get_znode(c, znode, nn);  in tnc_prev()
678 			nn = znode->child_cnt - 1;  in tnc_prev()
683 	*n = nn;  in tnc_prev()
780 		int nn = *n;  in resolve_collision()  local
785 			err = tnc_next(c, &znode, &nn);  in resolve_collision()
790 			if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision()
792 			err = matches_name(c, &znode->zbranch[nn], nm);  in resolve_collision()
798 			*n = nn;  in resolve_collision()
897 	int uninitialized_var(o_n), err, cmp, unsure = 0, nn = *n;  in fallible_resolve_collision()
899 	cmp = fallible_matches_name(c, &znode->zbranch[nn], nm);  in fallible_resolve_collision()
906 		o_n = nn;  in fallible_resolve_collision()
965 		*n = nn;  in fallible_resolve_collision()
967 			err = tnc_next(c, &znode, &nn);  in fallible_resolve_collision()
972 			if (keys_cmp(c, &znode->zbranch[nn].key, key))  in fallible_resolve_collision()
974 			err = fallible_matches_name(c, &znode->zbranch[nn], nm);  in fallible_resolve_collision()
980 			*n = nn;  in fallible_resolve_collision()
985 				o_n = nn;  in fallible_resolve_collision()
1041 	int nn, err;  in resolve_collision_directly()  local
1044 	nn = *n;  in resolve_collision_directly()
1045 	if (matches_position(&znode->zbranch[nn], lnum, offs))  in resolve_collision_directly()
1050 		err = tnc_prev(c, &znode, &nn);  in resolve_collision_directly()
1055 		if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision_directly()
1057 		if (matches_position(&znode->zbranch[nn], lnum, offs)) {  in resolve_collision_directly()
1059 			*n = nn;  in resolve_collision_directly()
1066 	nn = *n;  in resolve_collision_directly()
1068 		err = tnc_next(c, &znode, &nn);  in resolve_collision_directly()
1073 		if (keys_cmp(c, &znode->zbranch[nn].key, key))  in resolve_collision_directly()
1076 		*n = nn;  in resolve_collision_directly()
1077 		if (matches_position(&znode->zbranch[nn], lnum, offs))  in resolve_collision_directly()
2997 	int n, nn;  in lookup_znode()  local
3057 	nn = n;  in lookup_znode()
3081 	n = nn;  in lookup_znode()
3153 	int n, found, err, nn;  in is_leaf_node_in_tnc()  local
3171 	nn = n;  in is_leaf_node_in_tnc()
3187 	n = nn;  in is_leaf_node_in_tnc()