/* -*-comment-start: "//";comment-end:""-*- * GNU Mes --- Maxwell Equations of Software * Copyright © 2017 Jan (janneke) Nieuwenhuizen * * 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 . */ #include #include union u { int bar; int baz; }; struct foo { union u u; }; struct anon { union { int bar; int baz; }; }; int main () { struct foo f = { 2 }; printf ("f.u.bar=%d\n", f.u.bar); if (f.u.bar != 2) return 1; printf ("f.u.baz=%d\n", f.u.baz); if (f.u.baz != 2) return 1; struct anon a = { 2 }; printf ("a.bar=%d\n", a.bar); if (a.bar != 2) return 1; printf ("a.baz=%d\n", a.baz); if (a.baz != 2) return 1; return 0; }