Programmers Cookbook

P R 0 G R A M M E R'S ' C 0 0 K B 0 0 K BYTE'S Mac Programmer's Cookbook Rob-Terrell Osborne McGraw-Hill Berkeley· New York· St. Louis • San Francisco ·Auckland Bogota • Hamburg • London • Madrid • Mexico City • Milan Montreal • New Delhi • Panama City· Paris • Sao Paulo Singapore • Sydney ·Tokyo • Toronto Osborne McGraw-Hill 2600 Tenth Street Berkeley, California 94710 U.S.A. For information on software, translations, or book distributors outside of the U.S.A., please write to Osborne McGraw-Hill at the above address. BYTE's Mac Programmer's Cookbook Copyright © 1994 by McGraw-Hill, Inc. All rights reserved. Printed in the United States of America. Except as permitted under the Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher, with the exception that the program listings may be entered, stored, and executed in a computer system, but they may not be reproduced for publication. 234567890 DOC 9987654 ISBN 0-07-882062-6 Publisher Illustrator Lawrence Levitsky Marla Shelasky Acquisitions Editor Series Design Scott Rogers Ruffin Prevost Project Editor Cover Designer Cindy Brown Jamie Davison Design, Inc. Computer Designer Peter F. Hancik Information has been obtained by Osborne McGraw-Hill from sources believed to be reliable. However, because of the possibility of human or mechanical error by our sources, Osborne McGraw-Hill, or others, Osborne McGraw-Hill does not guarantee the accuracy, adequacy, or completeness of any information and is not responsible for any errors or omissions or the results obtained from use of such information. To all Mac programmers everywhere Contents At a Glance Part I: The Easy Stuff 1: Tricks of the Trade: Secrets of the Shadow Warriors • • • • . • . . • • • . 3 2: Getting the Goods • • • • • • • . . . . • • • • • . . . . • . • . • • • . • • • • . . . . . • • • 13 3: Trouble in Hacksville: When Good Macs Go Bad • • • . • • • • • • • • • •. . 27 4: Altering Reality: Utilities for a Better Life • • • . • . . . . • • • • • . • • • • • • 43 Part II: The Hard Stuff 5: External Commands: Help for the Working Stiff . . . . . . . . . . . . • . . . 79 6: Ciphers and Secret Messages: Programming Languages • • • • • • • • • 111 7: Object Libraries, Class Libraries, and You • • • • • • • • . • . • . • • • • • • • • 125 8: The Zen of Good Code: Debuggers • • • • • • . . . • • • • • . • • • • . . . . • • • • 149 Part Ill: The Extra Stuff A: How to Make a Million Bucks in Shareware • • …