Symbolic Constants in C Programming language

Symbolic Constants

You can define constants of any type by using the #define compiler directive. Its syntax is simple--for instance

#define ANGLE_MIN 0
#define ANGLE_MAX 360

would define ANGLE_MIN and ANGLE_MAX to the values 0 and 360, respectively. C distinguishes between lowercase and uppercase letters in variable names. It is customary to use capital letters in defining global constants.

Other links

1. A First Program

2. Let's Compute

3. Loops

4. Symbolic Constants

5. Conditionals

6. Pointers

7. Arrays

8. Character Arrays

9. I/O Capabilities

10. Functions

11. Command-line Arguments

12. Graphical Interfaces: Dialog Boxes