Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and Addison-Wesley were aware of a trademark claim, the designations have been printed in initial capital letters or in all capitals.
The author and publisher have taken care in the preparation of this book, but make no expressed or implied warranty of any kind and assume no responsibility for errors or omissions. No liability is assumed for incidental or consequential damages in connection with or arising out of the use of the information or programs contained herein.
The publisher offers discounts on this book when ordered in quantity for special sales.
For more information, please contact:
Pearson Education Corporate Sales Division
201 W. 103rd Street
Indianapolis, IN 46290
Visit AW on the Web: www.awl.com/cseng/
Copyright © 2002 by Pearson Education
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or other-wise, without the prior consent of the publisher. Printed in the United States of America. Published simultaneously in Canada.
05 04 03 02 4 3 2 1
First printing, April 2002
For my wife, Ann, and everyone at PDSA, Inc. Also for my coauthor and good friend Ken Getz. PDS
For Melanie Spiller and Peter Mason: I think of you both as I write each paragraph. Different reasons, of course. KNG