RU_NOTHING
mapPtr->status[mapPtr->head]=RU_NOTHING;
if (p == RU_NOTHING || p->startSector > startSector) {
mapPtr->status[ru] = MakeReconMapListElem(mapPtr,startSector, RF_MIN(stopSector, last_in_RU), (p == RU_NOTHING) ? NULL : p);
while (p != RU_NOTHING && p != RU_ALL) {