pub unsafe extern "C" fn rd_kafka_header_add(
hdrs: *mut rd_kafka_headers_t,
name: *const c_char,
name_size: isize,
value: *const c_void,
value_size: isize,
) -> rd_kafka_resp_err_t
pub unsafe extern "C" fn rd_kafka_header_add(
hdrs: *mut rd_kafka_headers_t,
name: *const c_char,
name_size: isize,
value: *const c_void,
value_size: isize,
) -> rd_kafka_resp_err_t