Visual C++ 2008: How to Program, Second Edition

Appendix E. Preprocessor

	Hold thou the good; define it well.
	--Alfred, Lord Tennyson

	I have found you an argument; but I am not obliged to find you an understanding.
	--Samuel Johnson

	A good symbol is the best argument, and is a missionary to persuade thousands.
	--Ralph Waldo Emerson

	Conditions are fundamentally sound.
	--Herbert Hoover [December 1929]

	The partisan, when he is engaged in a dispute, cares nothing about the rights of the question, but is anxious only to convince his hearers of his own assertions.
	--Plato

OBJECTIVES

In this appendix you’ll learn:

• To use #include for developing large programs.

• To use #define to create macros and macros with arguments.

• To understand conditional compilation.

• To display error messages during conditional ...