Client To Client Protocol

from The Free On-line Dictionary of Computing (8 July 2008)

Client To Client Protocol

   <networking> (CTCP) A type of {protocol} created to allow
   structured data such as {font} information to be exchanged
   between users on {IRC}.  It is also used to send a query to a
   user.  The available CTCP commands include VERSION, FINGER,
   DCC CHAT, DCC SEND, TIME, PING, ECHO, CLIENTINFO.  Some
   commands are not available on some IRC {client} software.

   (1995-04-12)