Tearing apart printf()
> If ‘Hello World’ is the first program for C students, then printf() is probably the first function. I’ve had to answer questions about printf() many times over the years, so I’ve finally set aside time for an informal writeup.
> This wild goose chase is not only a great learning experience, but also an interesting test for the dedicated beginner. Will they come back with an answer? If so, how detailed is it? What IS a good answer?