[ns] Why is DSRAgent_List agthead required in DSR?

[Kiran Kashalkar]

>
> Hi all,
>
> I would like to know if there is anyplace where the static member agthead
> is
> used in the ns code.
>
> I am on ns-2.33 and greping and searching has led me to think this is just
> something that was put up for testing purposes and never taken off.
>
> Please let me know if my understanding is wrong.
>
>
> Thanks,
> Kiran Kashalkar.
>