codeblocks解决网络方面错误undefined reference to `[email protected]'|

出现报错：
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。 

1、setting->compiler and debugger

 

2、

3、找到codeblocks安装目录下的lib

导入

       

 

运行即可！