Go to the first, previous, next, last section, table of contents.


Simple Program to List a Directory, Mark II

Here is a revised version of the directory lister found above (see section Simple Program to List a Directory). Using the scandir function we can avoid using the functions which directly work with the directory contents. After the call the found entries are available for direct used.

#include <stdio.h>
#include <dirent.h>

static int
one (struct dirent *unused)
{
  return 1;
}

int
main (void)
{
  struct dirent **eps;
  int n;

  n = scandir ("./", &eps, one, alphasort);
  if (n >= 0)
    {
      int cnt;
      for (cnt = 0; cnt < n; ++cnt)
        puts (eps[cnt]->d_name);
    }
  else
    perror ("Couldn't open the directory");

  return 0;
}

Please note the simple selector function for this example. Since we want to see all directory entries we always return 1.


Go to the first, previous, next, last section, table of contents.