The article mentions that Wikipedia has a "POSIX implementation" but that code has been scrubbed from the article. I dug around in the history and was able to

The article mentions that Wikipedia has a "POSIX implementation" but that code has been scrubbed from the article. I dug around in the history and was able to dig it out: https://en.wikipedia.org/w/index.php?title=Circular_buffer&oldid=647976593 https://en.wikipedia.org/w/index.php?title=Circular_buffer&o...