Relearning/Modern C

Hi /prog/,
I want to re-learn C the right way.

When I was in college I took a bunch of courses (data structures, ADTs, algorithms) but I don't think I gained a deep knowledge of C.

What are some good books or resources on modern C usage (K&R is pretty dated)?

I'd like to do some HPC later in my life and I need to start somewhere.

you don't need a good book to learn C, you just need to start programming and keep learning new parts of the language. this is how you learn any language. if you really didn't even learn a single language at university, try an online course. im no expert, but im sure /prog/ knows some good books you can get for free