> "Correct code in C is actually easy since the language is very simple."

I broke back into this account just to share my marvel at the singly most wrong sentence in human history. The Mona Lisa of being incorrect about programming.

I audit code for security vulnerabilities in several languages professionally. You are correct about the benefits of unit testing, which is language agnostic, but C is not and cannot be Easy To Be Correct, ever, no matter what.