#### 7.3.3 `_gfortran_set_convert` — Set endian conversion

Description:
  `_gfortran_set_convert` set the representation of data for unformatted files.
Syntax:
  `void _gfortran_set_convert (int conv)`
Arguments:

  conv | Endian conversion, possible values: GFC_CONVERT_NATIVE (0, default), GFC_CONVERT_SWAP (1), GFC_CONVERT_BIG (2), GFC_CONVERT_LITTLE (3).

Example:

                int main (int argc, char *argv[])
                {
                  /* Initialize libgfortran.  */
                  _gfortran_set_args (argc, argv);
                  _gfortran_set_convert (1);
                  return 0;
                }