C++套接字学习

1.头文件出现的错误
若出现

1>          c:\program files (x86)\microsoft sdks\windows\v7.0a\include\winsock.h(916) : 参见“WSAAsyncGetProtoByNumber”的声明
1>c:\program files (x86)\microsoft sdks\windows\v7.0a\include\winsock2.h(2446): error C2375: “WSAAsyncGetHostByName”: 重定义；不同的链接
1>          c:\program files (x86)\microsoft sdks\windows\v7.0a\include\winsock.h(923) : 参见“WSAAsyncGetHostByName”的声明
1>c:\program files (x86)\microsoft sdks\windows\v7.0a\include\winsock2.h(2473): error C2375: “WSAAsyncGetHostByAddr”: 重定义；不同的链接
1>          c:\program files (x86)\microsoft sdks\windows\v7.0a\include\winsock.h(930) : 参见“WSAAsyncGetHostByAddr”的声明
1>c:\program files (x86)\microsoft sdks\windows\v7.0a\include\winsock2.h(2496): error C2375: “WSACancelAsyncRequest”: 重定义；不同的链接
1>          c:\program files (x86)\microsoft sdks\windows\v7.0a\include\winsock.h(939) : 参见“WSACancelAsyncRequest”的声明
1>c:\program files (x86)\microsoft sdks\windows\v7.0a\include\winsock2.h(2517): error C2375: “WSAAsyncSelect”: 重定义；不同

该错误，删除引用Windows.h文件