# Return table containing all non-functions.

who = function( A ) {

    local( st; i; e; $$$ );

    $$$ = $$;
    st = {};

    for ( i in members( $$$ ) ) {
        if ( A != "$" & i < "A" ) { continue; }
        e = $$$.(i);
        if ( e != NULL ) {
            if ( class( e ) != "function" ) {
                st.(i) = e;
            }
        }
    }

    return st-{$};

};