[plt-scheme] equivalent to atexit?

(I forgot to say that if you're using the foreign interface, then you
can also try the actual atexit() or on_exit().  But this sounds more
dangerous.)
-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                  http://www.barzilay.org/                 Maze is Life!