manual/examples/dir.c

   1 /* Simple Program to List a Directory
   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 /*@group*/
  19 #include <stdio.h>
  20 #include <sys/types.h>
  21 #include <dirent.h>
  22 /*@end group*/
  23
  24 int
  25 main (void)
  26 {
  27   DIR *dp;
  28   struct dirent *ep;
  29
  30   dp = opendir ("./");
  31   if (dp != NULL)
  32     {
  33       while (ep = readdir (dp))
  34         puts (ep->d_name);
  35       (void) closedir (dp);
  36     }
  37   else
  38     perror ("Couldn't open the directory");
  39
  40   return 0;
  41 }