The International Obfuscated C Code ContestThe International Obfuscated C Code Contest
) is a
contest for the most creatively obfuscated C code
held annually since 1984
(with the exception of 1997
, and 2002
There are many winning entries each year, and each entry gets a category
"Worst Abuse of the C Preprocessor" or "Most Erratic Behavior".
One notable IOCCC winner (in 1986 and 1987) is Larry Wall.
His achievements in IOCCC might be or might be not related to his design of Perl.