/* sets symbolsize */
setmarkersize(s, n, item)
{
        if (argc < 3)
        {
                if (argc < 2)
                {
                        n = 0;
                }
                
                item = 1;
        }
        else
        {
                (n, item) = (item, n);
        }
                
        setsymbolsize(s, n, item);
}