(NoError)

 (BadVersNum)

 (BufTooSmall)

 (NoMoreSessions)

 (NoServers)

 (ParamErr)

 (ServerBusy)

 (SessClosed)

 (SizeErr)

 (TooManyClients)

 (NoAck)

 (Attention)

 (WriteContine)

 (Write)

 (Tickle)

 (OpenSess)

 (GetStatus)

 (Command)

 (CloseSess)