我正在尝试转换thisSwift的代码片段。由于一些困难，我正在努力起步。-(BOOL)connectedToNetwork{//Createzeroaddystructsockaddr_inzeroAddress;bzero(&zeroAddress,sizeof(zeroAddress));zeroAddress.sin_len=sizeof(zeroAddress);zeroAddress.sin_family=AF_INET;//RecoverreachabilityflagsSCNetworkReachabilityRefdefaultRouteReachability=SC