Function grpcio_sys::grpcwrap_call_send_message

pub unsafe extern "C" fn grpcwrap_call_send_message(
    call: *mut grpc_call, 
    ctx: *mut grpcwrap_batch_context, 
    send_buffer: *mut grpc_slice, 
    write_flags: u32, 
    send_empty_initial_metadata: i32, 
    tag: *mut c_void
) -> grpc_call_error