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Programming in Objective-C, Sixth Edition
book

Programming in Objective-C, Sixth Edition

by Stephen G. Kochan
December 2013
Beginner
576 pages
16h 4m
English
Addison-Wesley Professional
Content preview from Programming in Objective-C, Sixth Edition

12. The Preprocessor

The preprocessor provides the tools that enable you to develop programs that are easier to develop, read, modify, and port to different systems. You can also use the preprocessor to literally customize the Objective-C language to suit a particular programming application or your own programming style.

The preprocessor is a part of the Objective-C compilation process that recognizes special statements that can be interspersed throughout a program. As its name implies, the preprocessor actually processes these statements before analysis of the Objective-C program itself takes place. Preprocessor statements are identified by the presence of a pound sign (#), which must be the first nonspace character on the line. As you will ...

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