DF404.0 {
    _yp_check;
    _yp_dobind;
    xdr_datum;
    xdr_ypresp_all_seq;
    yp_all;
    yp_bind;
    yp_first;
    yp_get_default_domain;
    yp_maplist;
    yp_master;
    yp_match;
    yp_next;
    yp_order;
    yp_unbind;
    ypbinderr_string;
    yperr_string;
    ypprot_err;
    ypresp_allfn;
    ypresp_data;
};