ArgParser::arg128Print(char* parameter)
{
    if (strcmp(parameter, "full") == 0)
    {
        o.r3_print = qpdf_r3p_full;
    }
    else if (strcmp(parameter, "low") == 0)
    {
        o.r3_print = qpdf_r3p_low;
    }
    else if (strcmp(parameter, "none") == 0)
    {
        o.r3_print = qpdf_r3p_none;
    }
    else
    {
        usage("invalid print option");
    }
}
ArgParser::arg128Print(char* parameter)
{
    if (strcmp(parameter, "full") == 0)
    {
        o.r3_print = qpdf_r3p_full;
    }
    else if (strcmp(parameter, "low") == 0)
    {
        o.r3_print = qpdf_r3p_low;
    }
    else if (strcmp(parameter, "none") == 0)
    {
        o.r3_print = qpdf_r3p_none;
    }
    else
    {
        usage("invalid print option");
    }
}