SERUNIT
unit = SERUNIT(cp->cn_dev);
unit = SERUNIT(dev);
sc = device_lookup_private(&ser_cd, SERUNIT(dev));
unit = SERUNIT(tp->t_dev);
int unit = SERUNIT(dev);
int unit = SERUNIT(dev);
struct ser_softc *sc = device_lookup_private(&ser_cd, SERUNIT(dev));
struct ser_softc *sc = device_lookup_private(&ser_cd, SERUNIT(dev));
struct ser_softc *sc = device_lookup_private(&ser_cd, SERUNIT(dev));
struct ser_softc *sc = device_lookup_private(&ser_cd, SERUNIT(dev));
int unit = SERUNIT(dev);
device_lookup_private(&ser_cd, SERUNIT(tp->t_dev));
device_lookup_private(&ser_cd, SERUNIT(tp->t_dev));
device_lookup_private(&ser_cd, SERUNIT(tp->t_dev));
device_lookup_private(&ser_cd, SERUNIT(tp->t_dev));