NAME
          pnet_lo - Get lower bound for local sublattice

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

          int pnet_lo(const Pnet *pnet);

     DESCRIPTION
          Function returns lower bound for local sublattice. Function
          is implemented as a macro.  The argument of pnet_lo is:

          pnet Pointer to initialized Pnet struct

     RETURN VALUE
          Upon successful completion lower bound 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_init(3), pnet_free(3), pnet_setup(3), pnet_hi(3),
          pnet_nodes(3)