Get the IP address of the remote system for a socket and channel.
int channel);IPaddress * SDLNet_UDP_GetPeerAddress(UDPsocket sock,
|sock||the UDP socket to unbind addresses from a channel on.|
|channel||the channel of the socket to unbind.|
Returns the address bound to the socket's channel, or
channel is -1, then the primary IP port of the UDP socket is returned -- this is only meaningful for sockets opened with a specific port.
If the channel is not bound and not -1, this function returns NULL.
This function is available since SDL_net 2.0.0.