"printf external link()"

Posted on 2023-02-20: https://twitter.com/netspooky/status/1627719779623501847

lol

After some digging I found this: https://security.web.cern.ch/recommendations/en/codetools/c.shtml If you mouse over printf here, it says “external link”. This means someone somewhere copy/pasted this code incorrectly and it was passed along through various blogs and trainings for years. Cool?