unlinkHashChain  1990 ext/pdo_sqlite/sqlite/src/pager.c   unlinkHashChain(pPager, pPg);
unlinkHashChain  4199 ext/pdo_sqlite/sqlite/src/pager.c   unlinkHashChain(pPager, pPg);
unlinkHashChain  4209 ext/pdo_sqlite/sqlite/src/pager.c     unlinkHashChain(pPager, pPgOld);