Literature about pure C?

Question

C++ / C#

Good afternoon, tell me the literature that will help raise your level of programming in C. That is, examples of the implementation of typical algorithms or tasks. The goal is to learn how to write more competent code for microcontrollers.

Answer 1

https://stackoverflow.com/questions/562303/the-def...

Answer 2

List of libraries / frameworks in pure C and books (at the end)
https://github.com/peko/awesome-c
Links to publications in English are indicated, if there are problems with it, you can search by name in the translation of the version.