sqlitepager_ckpt_begin  954 ext/sqlite/libsqlite/src/btree.c   rc = pBt->readOnly ? SQLITE_OK : sqlitepager_ckpt_begin(pBt->pPager);
sqlitepager_ckpt_begin 1683 ext/sqlite/libsqlite/src/pager.c     rc = sqlitepager_ckpt_begin(pPager);
sqlitepager_ckpt_begin   92 ext/sqlite/libsqlite/src/pager.h int sqlitepager_ckpt_begin(Pager*);