APPLE_DRVR_MAP_MAX_DESCRIPTORS
for (i=0; i<APPLE_DRVR_MAP_MAX_DESCRIPTORS; i++) {
if (ap->sbDrvrCount >= APPLE_DRVR_MAP_MAX_DESCRIPTORS)
ap->sbDrvrCount = APPLE_DRVR_MAP_MAX_DESCRIPTORS;
struct apple_drvr_descriptor sb_dd[APPLE_DRVR_MAP_MAX_DESCRIPTORS];