checkRef         6197 ext/pdo_sqlite/sqlite/src/btree.c     if( checkRef(pCheck, iPage, zContext) ) break;
checkRef         6222 ext/pdo_sqlite/sqlite/src/btree.c           checkRef(pCheck, iFreePage, zContext);
checkRef         6287 ext/pdo_sqlite/sqlite/src/btree.c   if( checkRef(pCheck, iPage, zParentContext) ) return 0;
checkRef         3228 ext/sqlite/libsqlite/src/btree.c     if( checkRef(pCheck, iPage, zContext) ) break;
checkRef         3238 ext/sqlite/libsqlite/src/btree.c         checkRef(pCheck, SWAB32(pCheck->pBt, pInfo->aFree[i]), zContext);
checkRef         3306 ext/sqlite/libsqlite/src/btree.c   if( checkRef(pCheck, iPage, zParentContext) ) return 0;