摘要： 做ios网络开发的肯定会用到苹果的官方库Reachability。ios5发布了，将项目升级到ios5的过程发一个warning: + (Reachability*) reachabilityWithAddress: (const struct sockaddr_in*) hostAddress; 中 Declaration of 'struct sockaddr_in' will not be ... 阅读全文