sqlite3VdbeMemPrepareToChange 12888 sqlite3/libsqlite/sqlite3.c SQLITE_PRIVATE void sqlite3VdbeMemPrepareToChange(Vdbe*,Mem*); sqlite3VdbeMemPrepareToChange 62311 sqlite3/libsqlite/sqlite3.c # define memAboutToChange(P,M) sqlite3VdbeMemPrepareToChange(P,M)