#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>
#include <sys/stat.h>
#include <fnmatch.h>
static char* pat;
int filter(const struct dirent *ent) {
  struct stat statbuf;
  lstat(ent->d_name, &statbuf);
  int mat = fnmatch(pat, ent->d_name, FNM_PATHNAME | FNM_PERIOD);
  switch (mat) {
  case 0:
    return S_ISLNK(statbuf.st_mode);
  case FNM_NOMATCH:
    return 0;
  default:
    // Fehlerbehandlung
  }
}

int main(int argc, char **argv) {
  if (argc < 2) {
    // usage
    exit(1);
  }
  pat = argv[1];
  struct dirent** ents;
  int n = scandir(".", &ents, filter, alphasort);
  // Fehlerbehandlung
  for (int i = 0; i < n; ++i) {
    printf("%s\n", ents[i]->d_name);
    // Fehlerbehandlung
    free(ents[i]);
  }
  free(ents);
}