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/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2018 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>
struct scm
{
int type;
int car;
int cdr;
};
char g_arena[24];
struct scm *g_cells = (struct scm *) g_arena;
int
main ()
{
g_cells[0].type = 0;
g_cells[0].car = -1;
g_cells[1].cdr = 0;
g_cells[1].type = -1;
g_cells[1].car = 0;
g_cells[1].cdr = -1;
if (g_cells[0].type)
return 1;
if (g_cells[0].car != -1)
return 2;
if (g_cells[0].cdr)
return 3;
if (g_cells[1].type != -1)
return 4;
if (g_cells[1].car)
return 5;
if (g_cells[1].cdr != -1)
return 6;
g_cells[0] = g_cells[1];
if (g_cells[0].type != -1)
return 7;
if (g_cells[0].car)
return 8;
if (g_cells[0].cdr != -1)
return 9;
return 0;
}
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