[ns] tcl and c linkage

Hello can somebody help me to link c code into my tcl file. I mean I want to take the value of variable in aodv.cc and use it in my tcl file. I have searched alot but I have lost can somebody explain it to me in simple manner thanks

[ns] node that has the maximum number of packets

Hello everyone can somebody help me to determine the node that is mostly active which means that the node that has sent and received the maximum number of packets ?? please I need an urgent helpp thanks

[ns] number of packets sent and received at each mobile node

Hello everyone Can somebody help me to determine the number of packets sent and received at each mobile node at particular time. I'm using AODV routing protocol please if you can help me, please do Thanks in advance