Question about dsfml.system.err

[Konstantin Kutsevalov via Digitalmars-d-learn]

I need to see errors from dsfml.system.err, but it doesn't write 
to terminal as I expected.

The general problem is that I cannot listen any port by 
tcplistener. And listen method is:

	Status accept(TcpSocket socket)
	{
		import dsfml.system.string;
		Status toReturn = sfTcpListener_accept(sfPtr, socket.sfPtr);
		err.write(dsfml.system.string.toString(sfErr_getOutput()));
		return toReturn;
	}

so, as you can see, there is "err.write". I need to see which 
error is wrining ro "err"...
Is it possible to redeclate "err" File() object?

:(