This is remarkably like the Underhanded C contest. http://underhanded.xcott.com http://underhanded.xcott.com I imagine hardware manufacturers similarly incorpo

This is remarkably like the Underhanded C contest. http://underhanded.xcott.com http://underhanded.xcott.com I imagine hardware manufacturers similarly incorporate some form of identifying macros these days. Of course, most people who buy clones wouldn't really care, but at least the publishers of those clones would be wise to avoid bringing too much attention... Unless they're in a country that has very lax copyright enforcement.