Insert into root of tree

1 files changed, 13 insertions, 0 deletions

diff --git a/src/03/avl_tree.h b/src/03/avl_tree.h
index e69de29..b4a67f6 100644
--- a/src/03/avl_tree.h
+++ b/src/03/avl_tree.h
@@ -0,0 +1,13 @@
+typedef struct node {
+  struct node *left;
+  struct node *right;
+  int value;
+} AVLNode;
+
+typedef struct {
+  AVLNode *root;
+} AVLTree;
+
+AVLTree *avl_tree_init(void);
+int avl_tree_size(AVLTree *tree);
+void avl_tree_insert(AVLTree *tree, int value);