initPage
rc = initPage(pBt, pCur->pPage, pCur->pgnoRoot, 0);
rc = initPage(pBt, pNewPage, newPgno, pCur->pPage);
rc = initPage(pBt, pNew, pCur->pgnoRoot, 0);
rc = initPage(pBt, pPage, sqlitepager_pagenumber(pPage), 0);
rc = initPage(pBt, apOld[i], pgnoOld[i], pParent);
rc = initPage(pBt, pPage, pgno, 0);
if( (rc = initPage(pBt, pPage, (Pgno)iPage, pParent))!=0 ){