nPtrmap          56376 ext/sqlite3/libsqlite/sqlite3.c   Pgno nPtrmap;                   /* Number of PtrMap pages to be freed */
nPtrmap          56380 ext/sqlite3/libsqlite/sqlite3.c   nPtrmap = (nFree-nOrig+PTRMAP_PAGENO(pBt, nOrig)+nEntry)/nEntry;
nPtrmap          56381 ext/sqlite3/libsqlite/sqlite3.c   nFin = nOrig - nFree - nPtrmap;