sbicdmaok
int sbicdmaok(struct sbic_softc *, struct scsipi_xfer *);
usedma = sbicdmaok(dev, xs);
&& (sbicdmaok(dev, xs) == 0)))
int sbicdmaok (struct sbic_softc *, struct scsipi_xfer *);
usedma = sbicdmaok(dev, xs);
(sbicdmaok(dev, xs) == 0)) )