assert(tree_get(&tree, &e, &cmp_int, NULL) == NULL);
printf("testing del\n");
- assert(tree_del(&tree, &a, &cmp_int, NULL, NULL));
+ assert(tree_del(&tree, &a, &cmp_int, NULL, NULL, NULL));
assert(tree_get(&tree, &a, &cmp_int, NULL) == NULL);
printf("testing clr\n");