问Unity iOS应用程序Ipv6支持测试

EN

 + (instancetype)reachabilityForInternetConnection
 {
  struct sockaddr_in6 zeroAddress;
  bzero(&zeroAddress, sizeof(zeroAddress));
  zeroAddress.sin6_len = sizeof(zeroAddress);
  zeroAddress.sin6_family = AF_INET6;
  return [self reachabilityWithAddress: (const struct sockaddr *) &zeroAddress];
 }

func ipv6Reachability() -> SCNetworkReachability? 
{
var zeroAddress = sockaddr_in6()
zeroAddress.sin6_len = UInt8(MemoryLayout<sockaddr_in>.size)
zeroAddress.sin6_family = sa_family_t(AF_INET6)

return withUnsafePointer(to: &zeroAddress, {
    $0.withMemoryRebound(to: sockaddr.self, capacity: 1) {
        SCNetworkReachabilityCreateWithAddress(nil, $0)
    }
})
}