- memcached_result_reset(&ptr->result);
- memcached_return_t rc= ptr->get_key_failure(ptr, key, key_length, &ptr->result);
+ memcached_result_st key_failure_result;
+ memcached_result_st* result_ptr= memcached_result_create(ptr, &key_failure_result);
+ memcached_return_t rc= ptr->get_key_failure(ptr, key, key_length, result_ptr);