colon_datestr_from_pk (PKT_public_key *pk)
{
  static char buf[20];

  snprintf (buf, sizeof buf, "%lu", (ulong)pk->timestamp);
  return buf;
}
colon_datestr_from_pk (PKT_public_key *pk)
{
  static char buf[20];

  snprintf (buf, sizeof buf, "%lu", (ulong)pk->timestamp);
  return buf;
}