Function getoptval

v2/engine/option.c:87–94

 */

char * getoptval( bjam_option * optv, char opt, int subopt )
{
    int i;
    for ( i = 0; i < N_OPTS; ++i, ++optv )
        if ( ( optv->flag == opt ) && !subopt-- )
            return optv->val;
    return 0;
}