NAME
          pnet_output - Get pointer to output buffer

     SYNOPSIS
          #include <mpi.h>
          #include "pnet.h"

          void *pnet_output(const Pnet *pnet);

     DESCRIPTION
          Function returns pointer to output buffer. Function is
          implemented as a macro.  The argument of pnet_output is:

          pnet Pointer to initialized Pnet struct

     RETURN VALUE
          Upon successful completion pointer to output buffer is
          returned.


     AUTHORS
          For authors and contributors see AUTHORS file


     COPYRIGHT
          (C) Potsdam Institute for Climate Impact Research (PIK), see
          COPYRIGHT file


     SEE ALSO
          pnet_input(3), pnet_init(3), pnet_free(3), pnet_setup(3),
          pnet_lo(3), pnet_hi(3), pnet_nodes(3)