[ns] Regarding project

[naga jyothi]

Hi,
I am extending ieee802.11DCF Protocol,
My protocol name is CTMAC protocol
In this protocol ,Every node has to maintain a data structure which hold
information of neighboring
transmissions.Based on this information,It has to do some operations.
Can any one tell  me "where i should declare this datastructure"--In which
file is should declare
Kindly Please help me
Thank u
-- 
Regards
T.Naga Jyothi