usbd_sync_transfer
return usbd_sync_transfer(data->xfer);
error = usbd_sync_transfer(data->xfer);
err = usbd_sync_transfer(xfer);
error = usbd_sync_transfer(cmd->xfer);
error = usbd_sync_transfer(xfer);
error = usbd_sync_transfer(xfer);
err = usbd_sync_transfer(xfer);
usbd_status usbd_sync_transfer(struct usbd_xfer *);