XEF_UNSUPPORTED
if (sc->sc_flags & XEF_UNSUPPORTED) {
return (XEF_UNSUPPORTED);
flags ^= (XEF_CE | XEF_UNSUPPORTED);
*flagsp |= XEF_UNSUPPORTED;
*flagsp |= XEF_CE | XEF_UNSUPPORTED;
*flagsp |= XEF_UNSUPPORTED;