mes/scaffold/tests/73-union.c

/* -*-comment-start: "//";comment-end:""-*-
 * GNU Mes --- Maxwell Equations of Software
 * Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 *
 * This file is part of GNU Mes.
 *
 * GNU Mes is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * GNU Mes is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <mes/lib.h>
#include <stdio.h>

typedef union foo
{
  char c;
  int i;
  void *p;
} foo;

typedef union
{
  char c;
  int i;
  void *p;
} bar;


int
main ()
{
  union foo f = { 48 };
  printf ("f.i=%d\n", f.i);
  printf ("f.c=%c\n", f.c);

  if (f.i != 48)
    return 1;
  if (f.c != '0')
    return 1;

  return 0;
}