1/* Simple Program to List a Directory, Mark II
2 Copyright (C) 1991-2024 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/*@group*/
19#include <stdio.h>
20#include <dirent.h>
21/*@end group*/
22
23static int
24one (const struct dirent *unused)
25{
26 return 1;
27}
28
29int
30main (void)
31{
32 struct dirent **eps;
33 int n;
34
35 n = scandir (dir: "./", namelist: &eps, selector: one, cmp: alphasort);
36 if (n >= 0)
37 {
38 int cnt;
39 for (cnt = 0; cnt < n; ++cnt)
40 puts (s: eps[cnt]->d_name);
41 }
42 else
43 perror ("Couldn't open the directory");
44
45 return 0;
46}
47

source code of glibc/manual/examples/dir2.c