usbd_get_desc
err = usbd_get_desc(sc->sc_udev, UDESC_IRDA, 0,
err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp);
err = usbd_get_desc(dev, UDESC_BOS, index, blen,
err = usbd_get_desc(dev, UDESC_CONFIG, confidx,
return usbd_get_desc(dev, UDESC_CONFIG, conf, size, d);
err = usbd_get_desc(dev, UDESC_BOS, confidx,
return usbd_get_desc(dev, UDESC_DEVICE,
usbd_status usbd_get_desc(struct usbd_device *, int, int, int, void *);