#define _GNU_SOURCE
#include "pwf.h"

struct group* fgetgrent(FILE* f) {
  static char *line, **mem;
  static struct group gr;
  struct group* res;
  size_t size = 0, nmem = 0;
  __getgrent_a(f, &gr, &line, &size, &mem, &nmem, &res);
  return res;
}