HELLO.C in question: https://www.johndcook.com/blog/2014/11/12/hello-world-is-the-hard-part/ https://www.johndcook.com/blog/2014/11/12/hello-world-is-the... I

HELLO.C in question: https://www.johndcook.com/blog/2014/11/12/hello-world-is-the-hard-part/ https://www.johndcook.com/blog/2014/11/12/hello-world-is-the... I was unfamiliar.