export int IconifyAndKill_hook(int bufferid)
{
   int ret = 0;
   int firstid = GetBufferID();
   int id = firstid;
   int numbufs = 0;

   if (!bufferid)
   {
      bufferid = GetBufferID();
   }

   do
   {
      if(ReadInfo("type") & 1)
         numbufs+=ReadInfo("shared");
      id = NextBuffer(id);
      if (id == firstid)
      {
         id = 0;
      }
   } while (id);

   if(numbufs == 1)
   {
      Clean("ReturnStatus(GetReturnMsg(Iconify()));");
   }
}

Hook("Kill", "IconifyAndKill_hook");    /* Patch Kill() with IconifyAndKill_hook()! */