https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1124.pdf https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1124.pdf Section 6.10 (Page 145): Preprocessing Di

https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1124.pdf https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1124.pdf Section 6.10 (Page 145): Preprocessing Directives Hey, would you look at that! The preprocessor is a mandatory part of the language!