router_addr_is_trusted_dir(uint32_t addr)
{
  if (!trusted_dir_servers)
    return 0;
  SMARTLIST_FOREACH(trusted_dir_servers, trusted_dir_server_t *, ent,
    if (ent->addr == addr)
      return 1;
    );
  return 0;
}
router_addr_is_trusted_dir(uint32_t addr)
{
  if (!trusted_dir_servers)
    return 0;
  SMARTLIST_FOREACH(trusted_dir_servers, trusted_dir_server_t *, ent,
    if (ent->addr == addr)
      return 1;
    );
  return 0;
}