Skip to Main Content
Learn to Program with C
book

Learn to Program with C

by Noel Kalicharan
December 2015
Beginner content levelBeginner
336 pages
7h 4m
English
Apress
Content preview from Learn to Program with C

CHAPTER 7

image

Functions

In this chapter, we will explain the following:

  • Why functions are important in programming
  • How to write functions
  • What happens when a function is called
  • Where functions are placed in a program
  • Some important concepts relating to functions using several examples

7.1 About Functions

So far, all our programs have consisted of a single function called main. However, we have made use of predefined C functions such as printf, scanf, strcpy, and fopen. When we run a program, it starts executing with the first statement in main and ends when it reaches the last statement.

As we have seen, it is possible to write reasonably useful ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Sudoku Programming with C

Sudoku Programming with C

Giulio Zambon
Learning C for Arduino

Learning C for Arduino

Syed Omar Faruk Towaha

Publisher Resources

ISBN: 9781484213711Purchase book