GUsb.Device.bulk_transfer_finish

### Method

# GUsb Devicebulk_transfer_finish

#### Declaration

    gssize
    g_usb_device_bulk_transfer_finish (
      GUsbDevice* self,
      GAsyncResult* res,
      GError** error
    )

#### Description

Gets the result from the asynchronous function.

Available since: | 0.1.0

#### Parameters

`res` | `GAsyncResult`
| The `GAsyncResult`.
| The data is owned by the caller of the function.
`error` | `GError **`
| The return location for a `GError*`, or `NULL`.

#### Return value

Returns: | `gssize`
| The actual number of bytes sent, or -1 on error.