Chapter 7. FUNCTIONS—C++'S PROGRAMMING MODULES

In this chapter you learn

  • Function basics (review)

  • Function prototypes

  • How to pass function arguments by value

  • How to design functions to process arrays

  • How to use const pointer parameters

  • How to design functions to process text strings

  • How to design functions to process structures

  • Functions that call themselves (recursion)

  • Pointers to functions

Fun is where you find it. Look closely, and you can find it in functions. C++ comes with a large library of useful functions (the standard ANSI C library plus several C++ classes), but real programming pleasure comes with writing your own. In this and the next chapter you'll examine how to define functions, convey information to them, and retrieve information from ...

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