This is the second volume of Beej's Guide to C, the library reference. Click here for the tutorial first volume.
Please keep in mind this is a beta-quality document. If you have corrections, I'd love to hear them, but understand that even I might not have read that part of the guide yet. There are glaring errors! Additionally, I might not know what I'm talking about when it comes to something! So e-mail me!
(Click here for other guides!)
Clone the whole thing from GitHub and follow the README.