SWAB_ADD         1761 ext/sqlite/libsqlite/src/btree.c     SWAB_ADD(pBt, pPage1->nFree, -1);
SWAB_ADD         1791 ext/sqlite/libsqlite/src/btree.c       SWAB_ADD(pBt, pInfo->nFree, -1);
SWAB_ADD         1839 ext/sqlite/libsqlite/src/btree.c   SWAB_ADD(pBt, pPage1->nFree, 1);
SWAB_ADD         1851 ext/sqlite/libsqlite/src/btree.c           SWAB_ADD(pBt, pInfo->nFree, 1);