Programming in Objective-C, Sixth Edition

13. Underlying C Language Features

This chapter describes features of the Objective-C language that you don’t necessarily need to know to write Objective-C programs. In fact, most of these come from the underlying C programming language. Features such as functions, structures, pointers, unions, and arrays are best learned on a need-to-know basis. Because C is a procedural language, some of these features go against the grain of object-oriented programming. They can also interfere with some of the strategies implemented by the Foundation framework, such as the memory-allocation methodology or work with character strings containing multibyte characters.

Note

There are ways to work with multibyte characters at the C level, but Foundation provides ...