code: public void marshalling(Xdr x) {
          super.marshalling(x);
          x.putInt(_programToQuery);
          x.putInt(_programVersion);
          x.putInt(_networkProtocol);
          x.putInt(_port);
      }
docs: /*
  (non-Javadoc)
  
  @see
  com.emc.ecs.nfsclient.rpc.RpcRequest#marshalling(com.emc.ecs.nfsclient.
  rpc.Xdr)