pub unsafe extern "C" fn rd_kafka_topic_conf_set_msg_order_cmp(
topic_conf: *mut rd_kafka_topic_conf_t,
msg_order_cmp: Option<unsafe extern "C" fn(a: *const rd_kafka_message_t, b: *const rd_kafka_message_t) -> c_int>
)
pub unsafe extern "C" fn rd_kafka_topic_conf_set_msg_order_cmp(
topic_conf: *mut rd_kafka_topic_conf_t,
msg_order_cmp: Option<unsafe extern "C" fn(a: *const rd_kafka_message_t, b: *const rd_kafka_message_t) -> c_int>
)