What are the lessons on OpenGL for C?

Question

C++ / C#

Please tell me lessons on opengl for beginners in C, I already know the C language (basic).

Answer 1

For starters, I think it's fine. www.opengl-tutorial.org/en/miscellaneous/building-...
There, however, in some examples C++ code will have to be replaced with the equivalent code from c, but this has nothing to do with OpenGL itself.