usbd_get_endpoint_descriptor
ed = usbd_get_endpoint_descriptor(usc->sc_iface, AR_PIPE_RX_INTR);
ed = usbd_get_endpoint_descriptor(sc->sc_iface, AR_EPT_INTR_RX_NO);
edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83);
ed = usbd_get_endpoint_descriptor(sc->iface, UKSPAN_EA_BULKIN);
ed = usbd_get_endpoint_descriptor(sc->iface, UKSPAN_EA_BULKOUT);
ed = usbd_get_endpoint_descriptor(sc->iface, UKSPAN_EA_CONFIGIN);
ed = usbd_get_endpoint_descriptor(sc->iface, UKSPAN_EA_CONFIGOUT);
usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor(
ed = usbd_get_endpoint_descriptor(sc->sc_uifaceh, UTVFU_AUDIO_ENDP);
ed = usbd_get_endpoint_descriptor(sc->sc_uifaceh, UTVFU_VIDEO_ENDP);
ed = usbd_get_endpoint_descriptor(sc->sc_vs_cur->ifaceh,