SEQ_QLEN
DPRINTFN(3, ("seq_drain: %p, len=%d\n", sc, SEQ_QLEN(&sc->outq)));
if (SEQ_QLEN(&sc->outq) >= sc->lowat) {
DPRINTFN(4, ("seq_startoutput: %p, len=%d\n", sc, SEQ_QLEN(q)));
if ((sc->flags&FWRITE) && SEQ_QLEN(&sc->outq) < sc->lowat)
if (SEQ_QLEN(&sc->outq) >= sc->lowat) {