如何获得本地计算机的子网掩码\Demo\Demo.cpp
............................\....\Demo.dsp
............................\....\Demo.dsw
............................\....\Demo.h
............................\....\Demo.plg
............................\....\Demo.rc
............................\....\DemoDlg.cpp
............................\....\DemoDlg.h
............................\....\IPExport.h
............................\....\IPHlpApi.h
............................\....\IPHlpApi.Lib
............................\....\Iprtrmib.h
............................\....\IPTypes.h
............................\....\ReadMe.txt
............................\....\res\Demo.ico
............................\....\...\Demo.rc2
............................\....\resource.h
............................\....\StdAfx.cpp
............................\....\StdAfx.h
............................\....\res
............................\Demo
如何获得本地计算机的子网掩码