NN               4367 ext/pdo_sqlite/sqlite/src/btree.c #define NB (NN*2+1)      /* Total pages involved in the balance */
NN               4610 ext/pdo_sqlite/sqlite/src/btree.c   nxDiv = idx - NN;
NN               2137 ext/sqlite/libsqlite/src/btree.c #define NB (NN*2+1)      /* Total pages involved in the balance */
NN               2326 ext/sqlite/libsqlite/src/btree.c   nxDiv = idx - NN;