I also read his amusing presentation on OpenBSD here. I don't really program in pure C anymore, but I liked learning about strlcat and strlcpy, among other things [1].
It's amazing that a self-described programming newbie gets his changes committed into a high-stakes-security distro like OpenBSD. My conjecture is that this must say something about the OpenBSD developer community culture.
Has anyone reading this commited to both Linux and OpenBSD? It looks to me like the OpenBSD crowd is a lot friendlier, at least judging by some relatively recent comments from Linux developers [2] (funny, but ouch.)
[1] http://www.nycbug.org/event/10343/bcallah-nycbugjan2014.pdf