req_codes_from_term(void)
{
    xt_index_out = 0;
    xt_index_in = 0;
    req_more_codes_from_term();
}
req_codes_from_term(void)
{
    xt_index_out = 0;
    xt_index_in = 0;
    req_more_codes_from_term();
}