temp->data = data;
temp->lchild = NULL;
temp->rchild = NULL;
return temp;
}
int main(int argc, char *argv[]) {
tree_node_t *root = createNode(10);
root->lchild = createNode(12);
root->rchild = createNode(15);
root->lchild->lchild = createNode(25);
root->lchild->rchild = createNode(30);
root->rchild->lchild = createNode(36);
tree_node_t *head = changeToList(root);
printList(head);
cin.get();
return 0;
}