Include guard:

Include guard is also called as macro guard.

When a particular class is to be included in another program, then include directive is used.

This skips the unnecessary declaration of the same class for all the programs.

Include directive contains preprocessor directives. They are:

#ifndef

It stands for “if not defined”

The prepro...

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Chapter 13.6, Problem 13.8CP

Chapter 13.6, Problem 13.10CP

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Chapter 13 Solutions

Starting Out with C++ from Control Structures to Objects (9th Edition)

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Solution Summary: The author explains that include guard is also called macro guard, which skips the unnecessary declaration of the same class for all the programs. Include directive contains preprocessor directives.

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Chapter 13 Solutions