For what it&#x27;s worth Plan9&#x27;s C was written to a standardized format that was strongly enforced. All, or at minimum, most, of Plan9&#x27;s C code was all written in a singular format, similar to how Go (contributed to by Plan9 developers) requires a specific format, but obviously without the absolute rote software-side enforcement.<p>See:<p><a href="http:&#x2F;&#x2F;man.cat-v.org&#x2F;plan_9&#x2F;6&#x2F;style" rel="nofollow">http:&#x2F;&#x2F;man.cat-v.org&#x2F;plan_9&#x2F;6&#x2F;style</a><p><a href="http:&#x2F;&#x2F;doc.cat-v.org&#x2F;plan_9&#x2F;programming&#x2F;c_programming_in_plan_9" rel="nofollow">http:&#x2F;&#x2F;doc.cat-v.org&#x2F;plan_9&#x2F;programming&#x2F;c_programming_in_pla...</a><p><a href="http:&#x2F;&#x2F;www.literateprogramming.com&#x2F;pikestyle.pdf" rel="nofollow">http:&#x2F;&#x2F;www.literateprogramming.com&#x2F;pikestyle.pdf</a>