编写UPNP程序需要的公用类库，UPNP是穿越防火墙的一种方式，一般用于P2P编程时打内网开防火墙的UPNP口。-A public class library for developing UPNP code. UPNP is one mode to pass through firewall, generally used to breach UPNP trenal of firewall by P2P programming.

UPNP Program for Windows Testing

VC++6.0上编译通过，UPNP源代码,The compiler through VC++6.0 UPNP Source Code