         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.

         AUTHOR
              Werner von Bloh (bloh@pik-potsdam.de)

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