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 ...
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