http://netbsd.gw.com/cgi-bin/man-cgi?puffs+4.i386+NetBSD-7.1
What do I have if I see libpuffs.so somewhere?
As for the "We're google, we can pick any name we want" assumption that somebody else wrote earlier, https://github.com/google/puffs says "Disclaimer: This is not an official Google product, it is just code that happens to be owned by Google". Also, before the launch, I didn't find many hits for "puffs" when searching github.com projects, or searching "apt search puffs", or searching the Web in general for queries like [puffs programming], or uses of the ".puffs" file extension. It's not like I cackled maniacally as I deliberately screwed over the NetBSD puffs project, whether for myself or on behalf of Google, I just didn't find it. I am bad at searching. Sorry.