1/* Cleanups on Exit
2 Copyright (C) 1991-2022 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
21void
22bye (void)
23{
24 puts (s: "Goodbye, cruel world....");
25}
26
27int
28main (void)
29{
30 atexit (func: bye);
31 exit (EXIT_SUCCESS);
32}
33

source code of glibc/manual/examples/atexit.c