Chapter 1
The C in Objective-C
In this chapter, we will introduce the main concepts common to the Objective-C and C languages. Objective-C is based on the original C language. As a result of this special relationship, any program that is valid C code is also valid from Objective-C’s perspective. This is why it is so important to be familiar with the basics of C, as well as how they relate to areas of object oriented programming, such as classes, messages, and interfaces.
Topics such as arrays, structures, pointers, variable declarations, variable types, and functions are part of the common vocabulary shared by these languages. Programmers who are fluent in such basic Objective-C techniques have a much better time at understanding and using ...
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