         NAME
              pnet_free - Deallocate memory of Pnet struct

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

              void pnet_free(Pnet *pnet);

         DESCRIPTION
              Function frees allocated memory. Must be the last call.  The
              argument of pnet_free is:

              pnet Pointer to initialized Pnet struct

         RETURN VALUE
              None

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

         SEE ALSO
              pnet_setup(3), pnet_init(3), pnet_addconnect(3), pnet_lo(3),
              pnet_hi(3), pnet_nodes(3)