On Mon, Sep 24, 2007 at 04:10:30PM -0500, Galchin Vasili wrote: > > I want to provide support for another OS. How are the POISIX modules > implemented? E.g. in terms of Green Card? They use hsc2hs, the FFI and a splash of C. You can get the sources from this darcs repo: http://darcs.haskell.org/packages/unix/ Thanks Ian