An introductory project on:
- macros and how to use them
- the most common predefined macros
- How to include guard your header files
- Ubuntu 14.04
- gcc 4.8.4
0-object_like_macro.h - defines a macro named SIZE as an abbreviation for the token 1024.
1-pi.h - defines a macro named PI as an abbreviation for the token 3.14159265359.
2-main.c - prints the name of the file it was compiled from, followed by a new line.
3-function_like_macro.h - function-like macro ABS(x) that computes the absolute value of a number x.
4-sum.h - function-like macro SUM(x, y) that computes the sum of the numbers x and y.