struct tree_node *tree_node_pop(struct tree_node **plist);
struct tree_node *tree_node_first(struct tree_node *list);
struct tree_node *tree_node_last(struct tree_node *list);
+bool tree_node_next(struct tree_node **node, bool depth, WERROR *err);
void tree_node_append_last(struct tree_node *list, struct tree_node *node);
size_t tree_node_print_path(WINDOW *label, struct tree_node *node);
const char **tree_node_get_path(TALLOC_CTX *ctx, struct tree_node *node);