apue第三版

Praise for Advanced Programming in the UNIX Environment, Second edition Stephen Rago's update is a long overdue benefit to the community of professionals using the versatile family of UNIX and UNIX-like operating environments. It removes obsolescence and includes newer developments. It also thoroughly updates the context of all topics, examples, and applications to recent releases of popular implementations of UNIX and UNIX -like environments. And yet, it does all this while retaining the style and taste of the original classic -Mukesh Kacker, cofounder and former cto of pronto networks inc One of the essential classics of UNIX programming -Eric S Raymond, author of The Art of UNIX Programming This is the definitive reference book for any serious or professional UNIX syStems programmer. Rago has updated and extended the classic stevens text while keeping true to the original. The APIs are illuminated by clear examples of their use. He also mentions many of the pitfalls to look out for when programming across different UNIX system implementations and points out how to avoid these pitfalls using relevant standards such as POSIX 1003. 1, 2004 edition, and the Single UNIX Specification Version3.′′ -Andrew Josey, Director, Certification, The Open Group, and Chair of the pOsiX 1003. 1 Working group Advanced Programming in the UINIX Environment, Second Edition, is an essential reference for anyone writing programs for a UNIX system. It's the first book i turn to when i want to understand or re-learn any of the various system interfaces. Stephen Rago has successfully revised this book to incorporate newer operating systems such as GNU/Linux and Apple's os X while keeping true to the first edition in terms of both readability and usefulness. It will always have a place right next to my computer. Dr. Benjamin Kuperman, Swarthmore College Praise for the first edition Advanced Programming in the UNIX Environment is a must-have for any serious C programmer who works under UNiX. Its depth, thoroughness, and clarity of explana tion are unmatched. m -UniForum monthli Numerous reader ded Advanced programming in the UNiX Environmenl by W. Richard Stevens(Addison-Wesley), and I'm glad they did; I hadnt even heard of this book, and it's been out since 1992. I just got my hands on a copy, and the first few hapters have been fascinating -Open Systems Today A much more readable and detailed treatment of [UNiX internals can be found in Advanced Programming in the UnIX Environment by w. Richard Stevens(Addison Wesley). This book includes lots of realistic examples, and I find it quite helpful when I have systems programming tasks to do RS/Magazine Advanced Programming in the UNiX Environment Third edition The Addison-Wesley Professional Computing Series Tel and the The Practice of Design patterns TCP/IP Elements of Reusable k Toolkit Illustra programing Erich You Ralph Second Edition whak Cuaba . Kon karrs Pure by wd Cpr ÷ Addison- Wesley Visit informit. com/series/professionalcomputing for a complete list of available publications The Addison-Wesley Professional Computing Series was created in 1990to provide serious programmers and networking professionals with well-written and practical reference books. There are few places to turn for accurate and authoritative books on current and cutting edge technology. We hope that our books will help you understand the state of the art in programming languages, operating systems, and networks Consulting Editor Brian W. Kernighan f Make sure to connect with us! intor com/socialconnect informIt. com Addison Safari R器 ALWAYS LEARNING PEARSON Advanced Programming in the uniX Environment Third edition W. Richard stevens Stephen A Rago WAddison-Wesley < pper Saddle River, N. Boston Indianapolis San francisco New York· Toronto· Montreal· London· Munich· Paris· Madrid Capetown· Sydney· Tokyo· Singapore· Mexico city Many of the designations d by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and the publisher was aware of a trademark claim, the designations have been printed with initial capital letters or in all capitals The authors 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 s 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 excellent discounts on this book when ordered in quantity for bulk purchases or special sales, which may include electronic versions and /or custom covers and content particular to your business, training goals, marketing focus, and branding interests. For more information, please contact U.S. Corporate and Government sales (800)382-3419 corpsales@pearsontechgroup.com For sales outside the United States, please contact ales nternational@pearsoned com Visit us on the web: informit. com/aw Library of Congress Cataloging-in-Publication Data Stevens, W. Richard Advanced programming in the UNIX environment/W. Richard Stevens, Stephen A Rago Third edition Pages cm Includes bibliographical references and index IsBN 978-0-321-63773-4(pbk: alk. paper) 1. Operating systems( Computers)2. UNIX(Computer file)I Rago, Stephen A ll Title QA76.7606357542013 005432dc23 2013004509 Copyright C 2013 Pearson Education, Inc All rights reserved. Printed in the United States of America. This publication is protected by copyright, and permission must be obtained from the publisher prior to any prohibited reproduction, storag retrieval system, or transmission in any form or by any means electronic, mechanical, photocopying, recording, or likewise. To obtain permission to use mate rial from this work, please submit a written request to Pearson Education, Inc. Permissions Department, One Lake Street, Upper Saddle River, New Jersey 07458, or you may fax your request to(201)236-3290 ISBN-13:978-0-321-63773-4 ISBN-10 0-321-63773-9 Text printed in the United States on recycled paper at Edwards Brothers Malloy in Ann Arbor, Michigan First printing, May 2013 For my parents, len grace This page intentionally left blank