pub unsafe extern "C" fn rd_kafka_sasl_set_credentials(
rk: *mut rd_kafka_s,
username: *const i8,
password: *const i8,
) -> *mut rd_kafka_error_s
pub unsafe extern "C" fn rd_kafka_sasl_set_credentials(
rk: *mut rd_kafka_s,
username: *const i8,
password: *const i8,
) -> *mut rd_kafka_error_s