a pointer to a #GSocketAddress pointer, or %NULL
a buffer to read data into (which should be at least @size bytes long).
a %GCancellable or %NULL
Number of bytes read, or 0 if the connection was closed by the peer, or -1 on error
GException on failure.
2.22
Receive data (up to @size bytes) from a socket.
If @address is non-%NULL then @address will be set equal to the source address of the received packet. @address is owned by the caller.
See g_socket_receive() for additional information.