if (alladdr ^ mutt_is_mail_list (a2))
if (alladdr ^ mutt_is_subscribed_list (a2))
int mutt_is_list_recipient (int alladdr, ADDRESS *a1, ADDRESS *a2){  for (; a1 ; a1 = a1->next)    if (alladdr ^ mutt_is_mail_list (a1))      return (! alladdr);  for (; a2 ; a2 = a2->next)    if (alladdr ^ mutt_is_mail_list (a2))      return (! alladdr);  return alladdr;}