c call c++ example extern "C"

 

引用參考：

http://hi.baidu.com/chong_jing/item/86a60aac0db2ec13a9cfb762

http://www.cnblogs.com/skynet/archive/2010/07/10/1774964.html

http://www.cnblogs.com/xulei/archive/2006/11/12/558139.html