I don't know why this was downvoted. This is the C equivalent of the "if this is news to you, just use NaCl" advice that experts give on articles about pitfalls

I don't know why this was downvoted. This is the C equivalent of the "if this is news to you, just use NaCl" advice that experts give on articles about pitfalls in unauthenticated AES or whatever. For most people, your advice is the correct advice.