I learned to code in the 70's, predating C99 and having to embrace many diverse platforms (we had more than one mainframe maker back then ;). But nice explanat

I learned to code in the 70's, predating C99 and having to embrace many diverse platforms (we had more than one mainframe maker back then ;). But nice explanations here: https://stackoverflow.com/questions/17010041/why-define-true-1-1-in-a-c-boolean-macro-instead-of-simply-as-1 https://stackoverflow.com/questions/17010041/why-define-true... TL;DR portability