Objectives

In this chapter you’ll:

• Use #include for developing large programs.

• Use #define to create macros and macros with arguments.

• Understand conditional compilation.

• Display error messages during conditional compilation.

• Use assertions to test if the values of expressions are correct.

Outline

E.1 Introduction

E.2 #include Preprocessing Directive

E.3 #define Preprocessing Directive: Symbolic Constants

E.4 #define Preprocessing Directive: Macros

E.5 Conditional Compilation

E.6 #error and #pragma Preprocessing Directives

E.7 Operators # and ##

E.8 Predefined Symbolic Constants

E.9 Assertions

E.10 Wrap-Up