ncache 113 libdb/bt_open.c pgno_t ncache; ncache 306 libdb/bt_open.c ncache = (b.cachesize + t->bt_psize - 1) / t->bt_psize; ncache 327 libdb/bt_open.c mpool_open(NULL, t->bt_fd, t->bt_psize, ncache)) == NULL)