c++网络编程错误（WSAStartup）

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在使用CodeBlocks编译C++程序时， 
编译程序的时候出现如下错误：

undefined reference to `inet_addr@4‘
undefined reference to `gethostbyname@4‘
undefined reference to `WSAGetLastError@0‘
undefined reference to `inet_ntoa@4‘
undefined reference to `WSAStartup@8‘
undefined reference to `inet_ntoa@4‘
undefined reference to `socket@12‘
undefined reference to `htons@4‘
undefined reference to `bind@12‘
undefined reference to `listen@8‘
undefined reference to `accept@12‘
undefined reference to `recv@16‘
undefined reference to `send@16‘
undefined reference to `shutdown@8‘
undefined reference to `closesocket@4‘
undefined reference to `closesocket@4‘
undefined reference to `WSACleanup@0‘ 

原因：缺少lib库，编译找不到相应的lib库。 


解决办法： 
1. 出现如下的情况 



2. 设置编译器 
  

3.  



4. 导入相应的lib库 

c++网络编程错误（WSAStartup）

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原文地址：http://www.cnblogs.com/yuan951/p/4743222.html