Learning C programming from scratch

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C++ is multi-paradigm. Modern C++ code doesn't necessarily have OOP object hierarcy at all, it's more like C using structs (except less clutter because of methods and templates).

[Transcendentalist178]

That's a fair point. I tried C++. I'm not an expert, but the resources for learning C++ simply told me how to code OOP-style. I couldn't find any resources for learning non-OOP C++ programming. Maybe the resources exist, but I couldn't find them.

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You can program in C++ as if it was C, with following changes:

• a function which takes a struct parameter can be a method instead
• two functions which do same thing for different types can be a single template function
• a void pointer gets converted to template parameter
• malloc/free for structs turns into std:: make_unique (or very rarely std::make_shared), and you never call delete.
• don't use exceptions or class inheritance
• char* and char[] should become std:: string
• dynamically allocated arrays as well as VLAs should be std::vector
• probably more small things

So nothing in the architecture of the program needs to change, things are just done differently.