Source : Free On-Line Dictionary of Computing

LogC
     
        A {C} extension incorporating {rule-oriented programming}, for
        {AI} {application program}s.  {Production rule}s are
        encapsulated into functional components called rulesets.  LogC
        uses a {search network algorithm} similar to {RETE}.
     
        Version 1.6.
     
        ["LogC: A Language and Environment for Embedded Rule Based
        Systems", F. Yulin et al, SIGPLAN Notices 27(11):27-32 (Nov
        1992)].