[plt-scheme] FFI and "glue code"

On Mon, Apr 26, 2010 at 9:48 PM, Grant Rettke <grettke at acm.org> wrote:
> ..., I
> don't need to create a new ompi_communicator_t, I can just use one
> that is predefined named MPI_COMM_WORLD. The call just needs its
> address.
...
> Does that make sense? I don't see any other way to arbitrarily get a
> pointer to some predefined value.

The symbol MPI_COMM_WORLD is probably exported by the library, and if
so you can use it directly.

N.