PR-URL: https://github.com/nodejs/node/pull/5118
Reviewed-By: Roman Reiss <me@silverwind.io>
## `dgram` module functions
### dgram.createSocket(options[, callback])
+
* `options` Object
* `callback` Function. Attached as a listener to `'message'` events.
* Returns: Socket object
and `udp6` sockets). The bound address and port can be retrieved using
[`socket.address().address`][] and [`socket.address().port`][].
-## dgram.createSocket(type[, callback])
+### dgram.createSocket(type[, callback])
* `type` String. Either 'udp4' or 'udp6'
* `callback` Function. Attached as a listener to `'message'` events.