Source : Free On-Line Dictionary of Computing

Classic C
     
        /klas'ik C/ (Or "C Classic", a play on "Coke Classic") The {C}
        programming language as defined in the first edition of {K&R},
        with some small additions.  It is usually known as "{K&R C}".
        The name came into use while C was being standardised by the
        {ANSI X3J11} committee.
     
        See also {classic}.
     
        [{Jargon File}]