Validation exercice 4

ex4/ex4.c

@@ -201,6 +201,12 @@ Matrix *quadtree_to_matrix(Node *root) {
 
 // ---
 
+/**
+ * @brief Clone a Quadtree.
+ * 
+ * @param root 
+ * @return Node* 
+ */
 Node *clone(Node *root) {
     if (root == NULL) {
         return NULL;