pub unsafe extern "C" fn rd_kafka_conf_set_consume_cb(
conf: *mut rd_kafka_conf_t,
consume_cb: Option<unsafe extern "C" fn(rkmessage: *mut rd_kafka_message_t, opaque: *mut c_void)>,
)
pub unsafe extern "C" fn rd_kafka_conf_set_consume_cb(
conf: *mut rd_kafka_conf_t,
consume_cb: Option<unsafe extern "C" fn(rkmessage: *mut rd_kafka_message_t, opaque: *mut c_void)>,
)