1 settings–compiler–linker settings中添加<code>~\codeblocks\mingw\lib\libwsock32.a</code>
2 <code>#include <winsock2.h></code>
<code>#include <winsock2.h></code>
<code>#pragma comment(lib, "ws2_32")</code>
轉載:http://blog.csdn.net/foreverling/article/details/47086971