| Value | Meaning |
|---|---|
| LIBUSB_TRANSFER_COMPLETED | Transfer completed without error. Note that this does not indicate * that the entire amount of requested data was transferred. |
| LIBUSB_TRANSFER_ERROR | Transfer failed |
| LIBUSB_TRANSFER_TIMED_OUT | Transfer timed out |
| LIBUSB_TRANSFER_CANCELLED | Transfer was cancelled |
| LIBUSB_TRANSFER_STALL | For bulk/interrupt endpoints: halt condition detected (endpoint * stalled). For control endpoints: control request not supported. |
| LIBUSB_TRANSFER_NO_DEVICE | Device was disconnected |
| LIBUSB_TRANSFER_OVERFLOW | Device sent more data than requested |
* Transfer status codes