checkTreePage    61749 ext/sqlite3/libsqlite/sqlite3.c       d2 = checkTreePage(pCheck, pgno, &nMinKey, i==0?NULL:&nMaxKey);
checkTreePage    61766 ext/sqlite3/libsqlite/sqlite3.c     checkTreePage(pCheck, pgno, NULL, !pPage->nCell?NULL:&nMaxKey);
checkTreePage    61972 ext/sqlite3/libsqlite/sqlite3.c     checkTreePage(&sCheck, aRoot[i], NULL, NULL);