4676       const BlockEntry* pNextEntry;  in GetFirst()  local
4678       status = pCluster->GetNext(pBlockEntry, pNextEntry);  in GetFirst()
4683       if (pNextEntry == 0)  in GetFirst()
4686       pBlockEntry = pNextEntry;  in GetFirst()
4706                     const BlockEntry*& pNextEntry) const {  in GetNext()
4719   long status = pCluster->GetNext(pCurrEntry, pNextEntry);  in GetNext()
4725     while (pNextEntry) {  in GetNext()
4726       const Block* const pNextBlock = pNextEntry->GetBlock();  in GetNext()
4732       pCurrEntry = pNextEntry;  in GetNext()
4734       status = pCluster->GetNext(pCurrEntry, pNextEntry);  in GetNext()
4743       pNextEntry = GetEOS();  in GetNext()
4749         pNextEntry = GetEOS();  in GetNext()
4765       pNextEntry = NULL;  in GetNext()
4769     status = pCluster->GetFirst(pNextEntry);  in GetNext()
4774     if (pNextEntry == NULL)  // empty cluster  in GetNext()
4787   pNextEntry = GetEOS();  // so we can return a non-NULL value  in GetNext()