Gets the root node from the tree.
RBTreeNode* rbtree_root(RBTree* tree);
| Name | Type | Description |
|---|---|---|
| tree | RBTree* | A pointer to the tree. |
Returns: The root node of the tree.
RBTREE_DEFINE_H(ISTree, is_tree, int, char*)
RBTREE_DEFINE_C(ISTree, is_tree, int, char*, int_cmp) // The definition of int_cmp can be found in the RedBlackTree main page.
ISTree* tree = is_tree_create();
is_tree_add(tree, 0, "zero");
is_tree_add(tree, 1, "one");
is_tree_add(tree, 2, "two");
ISTreeNode* root = is_tree_root(tree);
printf("Root Key: %d, Value: %s\n", root->key, root->value);
is_tree_free(tree, true);