You know how we have “for dummies” books in English? This is “Network Programming Even Cats Can Get”
And it has more cute cats doing computer stuff.
The books are actually called NEKO Series btw
This one is for learning C: https://archive.org/details/c-2-neko-series-2012/page/n13/mode/2up
Beware: Your kitty love note written in the comments will not be in the compiled binary and you will confuse the person you give it to