# Return table containing all global functions.
what = function() {
local( st; i; e; $$$ );
$$$ = $$;
st = {};
for ( i in members( $$$ ) ) {
e = $$$.(i);
if ( e ) {
if ( class( e ) == "function" ) {
st.(i) = e;
};
}
}
return st-{$};
};