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{$ifdef fpc}
{$mode fpc}
{$endif fpc}
function times2(x : longint) : longint;
begin
times2:=2*x;
end;
var
x:function(x:longint):longint;
y:pointer absolute x;
z,w,v:pointer;
begin
z:=@x;
w:=addr(x);
v:=@y;
writeln(longint(y),' ',longint(z),' ',longint(w),' ',longint(v));
if (z<>w) or (z<>v) then
begin
writeln('Addr Error');
halt(1);
end;
if (y<>nil) then
begin
writeln('Absolute Error');
halt(1);
end;
x:=@times2;
if (y<>pointer(@times2)) then
begin
writeln('Absolute Error');
halt(1);
end;
end.
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