Problem while transferring data to iphone ios version 10.x and above

[prateek1108]

Hello airwolf sir,

I tried to transfer contact to iphone of ios version 10.x got the error for that and below 10.x the code is running .please help me out how i can transfer the contact to ios 10.x and above.

fail at the point:-
in lockdown send()
service_send(client->parent, (const char*)&nlen, sizeof(nlen), (uint32_t*)&bytes);