TREE_NODE *tree_cwd(char *path, TREE_ROOT *root, TREE_NODE *node);
TREE_NODE *tree_relcwd(char *path, TREE_ROOT *root, TREE_NODE *node);
void append_tree_node(char *fname, TREE_NODE *node, TREE_ROOT *root, TREE_NODE *parent);
TREE_NODE *tree_cwd(char *path, TREE_ROOT *root, TREE_NODE *node);
TREE_NODE *tree_relcwd(char *path, TREE_ROOT *root, TREE_NODE *node);
void append_tree_node(char *fname, TREE_NODE *node, TREE_ROOT *root, TREE_NODE *parent);