Hello,

>
>Also, is there a way to cast in OCaml instead of doing what I've done
>here, when you know the internal representations of two types are the
>same?  I realize this could be abused, turning OCaml into C, but then
>what I did below is kind of silly too.  Thank you.
>

you should consider using the function magic of module Obj... it is a
more generic implementation of your functions fd_of_descr and
descr_of_fd.

Judicael.
-- 
Judicael.Courant@ens-lyon.fr, http://www.ens-lyon.fr/~jcourant/
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Beware of bugs in the above code; I have only proved it correct, not tried it.
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