1567   i64 iHdrOff;                 /* Offset of journal header being read */  in readJournalHdr()  local
1579   iHdrOff = pPager->journalOff;  in readJournalHdr()
1586   if( isHot || iHdrOff!=pPager->journalHdr ){  in readJournalHdr()
1587     rc = sqlite3OsRead(pPager->jfd, aMagic, sizeof(aMagic), iHdrOff);  in readJournalHdr()
1600   if( SQLITE_OK!=(rc = read32bits(pPager->jfd, iHdrOff+8, pNRec))  in readJournalHdr()
1601    || SQLITE_OK!=(rc = read32bits(pPager->jfd, iHdrOff+12, &pPager->cksumInit))  in readJournalHdr()
1602    || SQLITE_OK!=(rc = read32bits(pPager->jfd, iHdrOff+16, pDbSize))  in readJournalHdr()
1612     if( SQLITE_OK!=(rc = read32bits(pPager->jfd, iHdrOff+20, &iSectorSize))  in readJournalHdr()
1613      || SQLITE_OK!=(rc = read32bits(pPager->jfd, iHdrOff+24, &iPageSize))  in readJournalHdr()
1686   i64 iHdrOff;                     /* Offset of header in journal file */  in writeSuperJournal()  local
1714   iHdrOff = pPager->journalOff;  in writeSuperJournal()
1719   if( (0 != (rc = write32bits(pPager->jfd, iHdrOff, PAGER_SJ_PGNO(pPager))))  in writeSuperJournal()
1720    || (0 != (rc = sqlite3OsWrite(pPager->jfd, zSuper, nSuper, iHdrOff+4)))  in writeSuperJournal()
1721    || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nSuper, nSuper)))  in writeSuperJournal()
1722    || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nSuper+4, cksum)))  in writeSuperJournal()
1724                                  iHdrOff+4+nSuper+8)))  in writeSuperJournal()
3355   i64 iHdrOff;             /* End of first segment of main-journal records */  in pagerPlaybackSavepoint()  local
3396     iHdrOff = pSavepoint->iHdrOffset ? pSavepoint->iHdrOffset : szJ;  in pagerPlaybackSavepoint()
3398     while( rc==SQLITE_OK && pPager->journalOff<iHdrOff ){  in pagerPlaybackSavepoint()