Function pulsar_sys::pulsar_client_create_reader_async

pub unsafe extern "C" fn pulsar_client_create_reader_async(
    client: *mut pulsar_client_t, 
    topic: *const c_char, 
    startMessageId: *const pulsar_message_id_t, 
    conf: *mut pulsar_reader_configuration_t, 
    callback: pulsar_reader_callback, 
    ctx: *mut c_void
)