Packet Reformation

[stars14u]

I AM STRUCK at a point...
i need to change payload inf.
i have done it..but now i need to reform the packet.

MY IDEA is
To store the whole frame structure replace the payload nd crc

i would be happy if somebody help me out by giving some suggestions...

[stars14u]

Will somebody help me out...........?

[sicarie]

What library are you using to manipulate the packets?

[stars14u]

im not using any library.

i simply capture the packets....
store them and extract them....