Chapter 2A C Refresher

Key Skills & Concepts

• Creating simple C command-line programs

• Using C comments

• Understanding headers, import, and include

• Understanding preprocessor statements

• Reviewing data types and operators

• Understanding C functions, basic C syntax, and using pointers

Like almost every modern operating system, language, and programming tool of any importance, Mac OS X and the iOS operating system were built using the C programming language. Not the Objective-C programming language and Cocoa framework, not the C++ programming language, but C. Objective-C is an object-oriented language built using C. Cocoa is a framework that hides difficult C programming tasks with easy-to-use objects programmed in Objective-C. But behind ...

Get iOS SDK Programming A Beginners Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.