Function rdkafka_sys::bindings::rd_kafka_conf_set_stats_cb

pub unsafe extern "C" fn rd_kafka_conf_set_stats_cb(
    conf: *mut rd_kafka_conf_t,
    stats_cb: Option<unsafe extern "C" fn(rk: *mut rd_kafka_t, json: *mut c_char, json_len: usize, opaque: *mut c_void) -> c_int>
)