That (define macros, include file that uses them) is fairly vanilla usage of the C preprocessor. Abuse is something like this: https://github.com/rofl0r/chaos-p

That (define macros, include file that uses them) is fairly vanilla usage of the C preprocessor. Abuse is something like this: https://github.com/rofl0r/chaos-pp https://github.com/rofl0r/chaos-pp and https://github.com/rofl0r/order-pp https://github.com/rofl0r/order-pp