/* -*-comment-start: "//";comment-end:""-*- * GNU Mes --- Maxwell Equations of Software * Copyright © 2017,2018 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 struct foo { int a; int b; }; struct foo g_foo[2] = { 0, 1, 2, 3 }; struct bar { int bar[4]; }; struct bar g_bar = { 101, 102 }; typedef struct bar bar_struct; typedef struct bar foo_struct; int main () { if (g_foo[0].a != 0) return 1; if (g_foo[0].b != 1) return 2; if (g_foo[1].a != 2) return 3; if (g_foo[1].b != 3) return 4; void *p = &g_foo; struct foo *pfoo = (((struct foo *) p) + 1); if (pfoo->a != 2) return 5; if (pfoo->b != 3) return 6; int *pi = &g_foo; if (*pi != 0) return 7; pi = &g_bar; if (*pi != 101) return 8; struct bar bar = { 0x22, 0x33 }; pi = &bar; if (*pi != 0x22) return 9; bar_struct bs; bs.bar[0] = 102; pi = &bs; if (*pi != 102) return 10; foo_struct fs; fs.bar[0] = 0x22; fs.bar[1] = 0x33; pi = &fs; if (*pi != 0x22) return 11; pi++; if (*pi != 0x33) return 12; foo_struct *pfs = &fs; pfs->bar[3] = 0x44; pfs->bar[4] = 0x55; pi = &fs.bar[3]; if (*pi != 0x44) return 13; pi++; if (*pi != 0x55) return 14; return 0; }