Using Code Examples

This book is here to help you get your job done. In general, you may use the code in this book in your programs and documentation. The code samples are covered by a dual BSD/GPL license.
We appreciate, but do not require, attribution. An attribution usually includes the title, author, publisher, and ISBN. For example: "Linux Device Drivers, Third Edition, by Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman. Copyright 2005 O'Reilly Media, Inc., 0-596-00590-3."