Is that still relevant to how c looks and acts nowadays? I know you will learn a lot from it and it's an excellent book, but surely there is a better reference that is more up to date. Maybe not though.
I think it's still really helpful to learn C and as a reference, but the code has a very terse and difficult to read style that I wouldn't recommend actually coding in, for example this is introduced in the first chapter, before anything is even studied in depth: https://www.dropbox.com/s/4hbwyid5jwen43t/Screenshot%202016-...