NAME
          pnet_nodes - Get total number of nodes in the network

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

          int pnet_nodes(const Pnet *pnet);

     DESCRIPTION
          Function returns total number of nodes in the network.
          Function is implemented as a macro.  The argument of
          pnet_nodes is:

          pnet Pointer to initialized Pnet struct

     RETURN VALUE
          Upon successful completion number of nodes in network is
          returned.

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

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



























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