#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <dirent.h>

main()
{
  DIR *d;
  char *filename;
  struct dirent *de;
  struct stat buf;
  int any;

  any = 0;
  
  d = opendir(".");
  if (d == NULL) { perror("opendir ."); exit(1); }
  for (de = readdir(d); de != NULL; de = readdir(d)) {
    if (stat(de->d_name, &buf) == 0) {
      if (S_ISDIR(buf.st_mode) && strcmp(de->d_name, ".") != 0 &&
                                  strcmp(de->d_name, "..") != 0) {
        filename = (char *) malloc(sizeof(char) + (strlen(de->d_name) + 10));
        sprintf(filename, "%s/f1.txt", de->d_name);
        if (stat(filename, &buf) == 0) {
          printf("%s\n", filename);
          any = 1;
        }
        free(filename);
      }
    }
  }
  closedir(d);
  if (!any) printf("None Found\n");
  exit(0);
}