usbd_get_string
if (!ue || usbd_get_string(dev, ue->iMacAddress, eaddr_str) ||
if (!ue || usbd_get_string(dev, ue->iMacAddress, eaddr_str) ||
usbd_status uerr = usbd_get_string(dev,
usbd_status usbd_get_string(struct usbd_device *, int, char *);