1990 marked the "The Seventh International Obfuscated C Code Contest"Copyright (c) 1990, Landon Curt Noll & Larry Bassel.All Rights Reserved.  Permission for personal, education or non-profit use isgranted provided this this copyright and notice are included in its entiretyand remains unaltered.  All other uses must receive prior permission in writingfrom both Landon Curt Noll and Larry Bassel.Instructions for use: Run make to compile entries (it is possible thaton System V or non-unix systems the makefile needs to be changed). Theansi.mk may need to be changed if your ANSI C compiler is not gcc.Look at the source and try to figure out what the programs do, and runthem with various inputs.  If you want to, look at the hints files for(minor) spoilers.This year, the Grand Prize won a standing ovation at USENIX.The "Strangest abuse of the rules" award was given this year to stressthe fact that starting in 1991, entries should be shell-specific.This year was the first year that we accepted ANSI C entries.  It wasinteresting to note that the ANSI C entries were as a whole lessportable than the K&R C entries.  We hope that in future contestspeople will enter more obfuscated and challenging ANSI C programs.We would like to thank Barbara Frezza (loving wife of Larry Bassel) forher role as official chef of the contest.  Her opinions regardingsome of the contest entries were appreciated.Rules and results were posted to comp.lang.c, comp.sources.unix, andalt.sources.  They have been made available on a wide number of Usenetarchive sites such as uunet.