MSCLASS_MOUSE
sc->sc_class = MSCLASS_MOUSE;
sc->sc_class == MSCLASS_MOUSE && sc->sc_devid[0] == '\0')
case MSCLASS_MOUSE:
case MSCLASS_MOUSE:
sc->sc_class = MSCLASS_MOUSE;
sc->sc_class = MSCLASS_MOUSE;
case MSCLASS_MOUSE:
case MSCLASS_MOUSE:
sc->sc_class = MSCLASS_MOUSE;
sc->sc_class = MSCLASS_MOUSE;
case MSCLASS_MOUSE:
case MSCLASS_MOUSE:
sc->sc_class = MSCLASS_MOUSE;