File list (Check if you may need any files):
UDP-NAT
.......\Exception.h
.......\P2PClient
.......\.........\Debug
.......\.........\P2PClient.cpp
.......\.........\P2PClient.dsp
.......\.........\P2PClient.dsw
.......\.........\Release
.......\P2PServer
.......\.........\Debug
.......\.........\P2PServer.cpp
.......\.........\P2PServer.dsp
.......\.........\P2PServer.dsw
.......\.........\Release
.......\P2P之UDP穿透NAT的原理与实现 - 增强篇.TXT
.......\proto.h
.......\UDP穿越NAT - 原始文章.TXT
.......\源码修改的说明.txt