pub unsafe extern "C" fn rd_kafka_queue_poll(
rkqu: *mut rd_kafka_queue_t,
timeout_ms: c_int,
) -> *mut rd_kafka_event_t
pub unsafe extern "C" fn rd_kafka_queue_poll(
rkqu: *mut rd_kafka_queue_t,
timeout_ms: c_int,
) -> *mut rd_kafka_event_t