Definition: In C and C++, a Macro is a piece of text that is expanded by the preprocessor part of the compiler. This is used in to expand text before compiling.
#define VALUE 10
Everywhere that VALUE is used the number of 10 will be used instead.
int fred[VALUE];This declares an array of 10 ints.
Note: It is customary to put macros in upper case to distinguish them from variables
Glossary:
A B C D E F G H I J K L M N O P Q R S T U V W X Y ZExamples: It is better to use constants with const instead of the #define macro.
