I'm really surprised nobody's mentioned that this is an exercise from K&R (a.k.a. "The C Programming Language"), a must-read for any C programmer! https://en.w

I'm really surprised nobody's mentioned that this is an exercise from K&R (a.k.a. "The C Programming Language"), a must-read for any C programmer! https://en.wikipedia.org/wiki/The_C_Programming_Language https://en.wikipedia.org/wiki/The_C_Programming_Language