Untitled

open different file using C programming
int main(){
  DIR *dir;
  struct dirent *ent;
  dir = opendir ("c:\folder\");
  if (dir != NULL) {

    /* print all the files and directories within directory */
    while ((ent = readdir (dir)) != NULL) {
      printf ("%sn", ent->d_name);
    }
    closedir (dir);
  } else {
    /* could not open directory */
    perror ("");
    return EXIT_FAILURE;
  }
}