manual/examples/atexit.c

   1 /* Cleanups on Exit
   2    Copyright (C) 1991-2021 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU General Public License
   6    as published by the Free Software Foundation; either version 2
   7    of the License, or (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, see <https://www.gnu.org/licenses/>.
  16 */
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20
  21 void
  22 bye (void)
  23 {
  24   puts ("Goodbye, cruel world....");
  25 }
  26
  27 int
  28 main (void)
  29 {
  30   atexit (bye);
  31   exit (EXIT_SUCCESS);
  32 }