bzero(out, sizeof(*out));
sti_inqcfg(sc, out)	struct sti_softc *sc;	struct sti_inqconfout *out;{	struct {		struct sti_inqconfflags flags;		struct sti_inqconfin in;	} a;	bzero(&a,  sizeof(a));	bzero(out, sizeof(*out));	a.flags.flags = STI_INQCONFF_WAIT;	(*sc->inqconf)(&a.flags, &a.in, out, &sc->sc_cfg);	return out->errno;}