elm = (my_elem_t) xbt_set_get_by_name(head, key);
xbt_test_log(" Found %s (under ID %u)\n",
elm ? elm->data : "(null)", elm ? elm->ID : -1);
elm = (my_elem_t) xbt_set_get_by_name(head, key);
xbt_test_log(" Found %s (under ID %u)\n",
elm ? elm->data : "(null)", elm ? elm->ID : -1);