code: def _py_ftype(parameter, tab):
      
      splice = ', '.join(["{0}_{1:d}".format(parameter.lname, i)
                          for i in range(parameter.D)])       
      return "{2}{0}_ft = Ftype({0}_o, [{1}], libpath)".format(parameter.lname, splice, tab)
docs: Returns the code to declare an Ftype object that handles memory
      deallocation for Fortran return arrays that were allocated by the
      method called in ctypes.