Asynchronously retrieves the next gio.SocketAddress from enumerator and then calls callback, which must call Socket.addressEnumeratorNextFinish to get the result.
It is an error to call this multiple times before the previous callback has finished.
optional gio.Cancellable object, NULL to ignore.
a GAsyncReadyCallback to call when the request is satisfied
the data to pass to callback function
Asynchronously retrieves the next gio.SocketAddress from enumerator and then calls callback, which must call Socket.addressEnumeratorNextFinish to get the result.
It is an error to call this multiple times before the previous callback has finished.