undefined reference to ‘[email protected]‘编译socket出错codeblocks

codeblocks 编译出错因为找不到库函数，因此需要添加库函数setting->compiler->Link Settings->Link Libraries->add添加libws2_32.a和libwsock32.a路径（C:\Program Files\CodeBlocks\MinGW\lib）

http://www.voidcn.com/article/p-hhgamcdl-qq.html