u - Client Username
Syntax: <id> u <username>
+Syntax: <id> u
Example: 5 u notbuddha
States: REGISTER(1)
Next State: -
Comments: Indicates a more reliable username for the client.
Compatibility: This is an Undernet extension and ircd does not send
it. It is enabled by the iauth instance requesting the U policy.
+ If the identd lookup fails for a user, no username is passed.
n - Client Nickname
Syntax: <id> n <nickname>