uhid_usb_softc
struct uhid_usb_softc *usc = device_private(self);
struct uhid_usb_softc *usc = device_private(self);
struct uhid_usb_softc *usc =
container_of(sc, struct uhid_usb_softc, sc_base);
CFATTACH_DECL_NEW(uhid_usb, sizeof(struct uhid_usb_softc),