188   u8 *aMemory;                    /* If non-NULL, bulk memory to hold pList */
330   u8 bUsePMA;                     /* True if one or more PMAs created */
331   u8 bUseThreads;                 /* True to use background threads */
332   u8 iPrev;                       /* Previous thread used to flush PMA */
333   u8 nTask;                       /* Size of aTask[] array */
334   u8 typeMask;
356   u8 *aAlloc;                 /* Space for aKey if aBuffer and pMap wont work */
357   u8 *aKey;                   /* Pointer to current key */
358   u8 *aBuffer;                /* Current read buffer */
360   u8 *aMap;                   /* Pointer to mapping of entire file */
416   u8 *aBuffer;                    /* Pointer to write buffer */
489   u8 **ppOut                      /* OUT: Pointer to buffer containing data */  in vdbePmaReadBlob()
539       u8 *aNew;  in vdbePmaReadBlob()
559       u8 *aNext;                  /* Pointer to buffer to copy data from */  in vdbePmaReadBlob()
590       u8 aVarint[16], *a;  in vdbePmaReadVarint()
613 static int vdbeSorterMapFile(SortSubtask *pTask, SorterFile *pFile, u8 **pp){  in vdbeSorterMapFile()
654       pReadr->aBuffer = (u8*)sqlite3Malloc(pgsz);  in vdbePmaReaderSeek()
809   const u8 * const p1 = (const u8 * const)pKey1;  in vdbeSorterCompareText()
810   const u8 * const p2 = (const u8 * const)pKey2;  in vdbeSorterCompareText()
811   const u8 * const v1 = &p1[ p1[0] ];   /* Pointer to value 1 */  in vdbeSorterCompareText()
812   const u8 * const v2 = &p2[ p2[0] ];   /* Pointer to value 2 */  in vdbeSorterCompareText()
851   const u8 * const p1 = (const u8 * const)pKey1;  in vdbeSorterCompareInt()
852   const u8 * const p2 = (const u8 * const)pKey2;  in vdbeSorterCompareInt()
855   const u8 * const v1 = &p1[ p1[0] ];   /* Pointer to value 1 */  in vdbeSorterCompareInt()
856   const u8 * const v2 = &p2[ p2[0] ];   /* Pointer to value 2 */  in vdbeSorterCompareInt()
864     static const u8 aLen[] = {0, 1, 2, 3, 4, 6, 8, 0, 0, 0 };  in vdbeSorterCompareInt()
865     const u8 n = aLen[s1];  in vdbeSorterCompareInt()
975     pSorter->pKeyInfo = pKeyInfo = (KeyInfo*)((u8*)pSorter + sz);  in sqlite3VdbeSorterInit()
985     pSorter->iPrev = (u8)(nWorker - 1);  in sqlite3VdbeSorterInit()
1014         pSorter->list.aMemory = (u8*)sqlite3Malloc(pgsz);  in sqlite3VdbeSorterInit()
1418       if( (u8*)p==pList->aMemory ){  in vdbeSorterSort()
1460   p->aBuffer = (u8*)sqlite3Malloc(nBuf);  in vdbePmaWriterInit()
1475 static void vdbePmaWriteBlob(PmaWriter *p, u8 *pData, int nData){  in vdbePmaWriteBlob()
1529   u8 aByte[10];  in vdbePmaWriteVarint()
1734       u8 *aMem;  in vdbeSorterFlushPMA()
1744       pSorter->iPrev = (u8)(pTask - pSorter->aTask);  in vdbeSorterFlushPMA()
1781   getVarint32NR((const u8*)&pVal->z[1], t);  in sqlite3VdbeSorterWrite()
1836       u8 *aNew;  in sqlite3VdbeSorterWrite()
1840         iListOff = (u8*)pSorter->list.pList - pSorter->list.aMemory;  in sqlite3VdbeSorterWrite()
1857       pNew->u.iNext = (int)((u8*)(pSorter->list.pList) - pSorter->list.aMemory);  in sqlite3VdbeSorterWrite()