C++ Primer Plus

7. Functions: C++’s Programming Modules

In this chapter you’ll learn about the following:

• Function basics

• Function prototypes

• Passing function arguments by value

• Designing functions to process arrays

• Using const pointer parameters

• Designing functions to process text strings

• Designing functions to process structures

• Designing functions to process objects of the string class

• 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 functions. (On the other hand, real programming productivity ...