Function librdkafka_sys::rd_kafka_metadata

pub unsafe extern fn rd_kafka_metadata(rk: *mut rd_kafka_t,
                                       all_topics: c_int,
                                       only_rkt: *mut rd_kafka_topic_t,
                                       metadatap: *mut *const rd_kafka_metadata,
                                       timeout_ms: c_int)
                                       -> rd_kafka_resp_err_t