sqlite3WalUndo 36725 sqlite3/libsqlite/sqlite3.c # define sqlite3WalUndo(x,y,z) 0 sqlite3WalUndo 46066 sqlite3/libsqlite/sqlite3.c SQLITE_PRIVATE int sqlite3WalUndo(Wal *pWal, int (*xUndo)(void *, Pgno), void *pUndoCtx){