269   void *zBuf,   in jtRead()  argument
274   return sqlite3OsRead(p->pReal, zBuf, iAmt, iOfst);  in jtRead()
341   const unsigned char *zBuf,         /* Input: 28 byte journal header */  in decodeJournalHdr()  argument
348   if( memcmp(aMagic, zBuf, 8) ) return SQLITE_ERROR;  in decodeJournalHdr()
349   if( pnRec ) *pnRec = decodeUint32(&zBuf[8]);  in decodeJournalHdr()
350   if( pnPage ) *pnPage = decodeUint32(&zBuf[16]);  in decodeJournalHdr()
351   if( pnSector ) *pnSector = decodeUint32(&zBuf[20]);  in decodeJournalHdr()
352   if( pnPagesize ) *pnPagesize = decodeUint32(&zBuf[24]);  in decodeJournalHdr()
435   unsigned char zBuf[28];  in readJournalFile()  local
455     rc = sqlite3OsRead(pReal, zBuf, 28, iOff);  in readJournalFile()
457      || decodeJournalHdr(zBuf, &nRec, &nPage, &nSector, &nPagesize)   in readJournalFile()
469         rc = sqlite3OsRead(pReal, zBuf, 28, iOff);  in readJournalFile()
470         if( rc!=SQLITE_OK || 0==decodeJournalHdr(zBuf, 0, 0, 0, 0) ){  in readJournalFile()
480       rc = sqlite3OsRead(pReal, zBuf, 4, iOff);  in readJournalFile()
482         pgno = decodeUint32(zBuf);  in readJournalFile()
514   const void *zBuf,   in jtWrite()  argument
532         u8 *z = (u8 *)zBuf;  in jtWrite()
568   rc = sqlite3OsWrite(p->pReal, zBuf, iAmt, iOfst);  in jtWrite()