env->mail_followup_to->next ? "..." : "");
env->mail_followup_to->next ? ",..." : "");
static int default_to (ADDRESS **to, ENVELOPE *env, int flags){  char prompt[STRING];  int i = 0;  if (flags && env->mail_followup_to)  {    snprintf (prompt, sizeof (prompt), _("Follow-up to %s%s?"),	      env->mail_followup_to->mailbox,	      env->mail_followup_to->next ? "..." : "");    if (query_quadoption (OPT_MFUPTO, prompt) == M_YES)    {      rfc822_append (to, env->mail_followup_to);      return 0;    }  }  /* Exit now if we're setting up the default Cc list for list-reply   * (only set if Mail-Followup-To is present and honoured).   */  if (flags & SENDLISTREPLY)    return 0;  if (!option(OPTREPLYSELF) && mutt_addr_is_user (env->from))  {    /* mail is from the user, assume replying to recipients */    rfc822_append (to, env->to);  }  else if (env->reply_to)  {    if ((mutt_addrcmp (env->from, env->reply_to) && !env->reply_to->next) || 	(option (OPTIGNORELISTREPLYTO) &&	mutt_is_mail_list (env->reply_to) &&	(mutt_addrsrc (env->reply_to, env->to) ||	mutt_addrsrc (env->reply_to, env->cc))))    {      /* If the Reply-To: address is a mailing list, assume that it was       * put there by the mailing list, and use the From: address       *        * We also take the from header if our correspondant has a reply-to       * header which is identical to the electronic mail address given       * in his From header.       *        */      rfc822_append (to, env->from);    }    else if (!(mutt_addrcmp (env->from, env->reply_to) && 	       !env->reply_to->next) &&	     quadoption (OPT_REPLYTO) != M_YES)    {      /* There are quite a few mailing lists which set the Reply-To:       * header field to the list address, which makes it quite impossible       * to send a message to only the sender of the message.  This       * provides a way to do that.       */      snprintf (prompt, sizeof (prompt), _("Reply to %s%s?"),		env->reply_to->mailbox, 		env->reply_to->next?",...":"");      if ((i = query_quadoption (OPT_REPLYTO, prompt)) == M_YES)	rfc822_append (to, env->reply_to);      else if (i == M_NO)	rfc822_append (to, env->from);      else	return (-1); /* abort */    }    else      rfc822_append (to, env->reply_to);  }  else    rfc822_append (to, env->from);  return (0);}