Function rd_kafka_conf_set_dr_cb

pub unsafe extern "C" fn rd_kafka_conf_set_dr_cb(
    conf: *mut rd_kafka_conf_s,
    dr_cb: Option<unsafe extern "C" fn(_: *mut rd_kafka_s, _: *mut c_void, _: usize, _: rd_kafka_resp_err_t, _: *mut c_void, _: *mut c_void)>,
)