NSCSI
if (unit >= NSCSI || scsi_softc[unit].sc_alive == 0)
struct scsi_softc scsi_softc[NSCSI];
for (hw = sc_table; i < NSCSI && hw < &sc_table[MAXCTLRS]; hw++) {
if (ctlr >= NSCSI || scsialive(ctlr) == 0)
struct sd_softc sd_softc[NSCSI][NSD];
struct wd33c93_softc wd33c93_softc[NSCSI];