C opyright
Preface
Audience
What You Will Learn
Small Is Beautiful: Unix Programs
Standards
Features and Power: GNU Programs
Summary of Chapters
Typographical Conventions
Where to Get Unix and GNU Source Code
Unix Code
GNU Code
Where to Get the Example Programs Used in This Book
About the C over
Acknowledgments
Part I: Files and Users
C hapter 1. Introduction
Section 1.1. The Linux/Unix File Model
Section 1.2. The Linux/Unix Process Model
Section 1.3. Standard C vs. Original C
Section 1.4. Why GNU Programs Are Better
Section 1.5. Portability Revisited
Section 1.6. Suggested Reading
Section 1.7. Summary
Exercises
C hapter 2. Arguments, Options, and the Environment
Section 2.1. Option and Argument Conventions
Section 2.2. Basic Command-Line Processing
Section 2.3. Option Parsing: getopt() and getopt_long()
Section 2.4. The Environment
Section 2.5. Summary
Exercises
C hapter 3. User-Level Memory Management
Section 3.1. Linux/Unix Address Space
Section 3.2. Memory Allocation
Section 3.3. Summary
Exercises
C hapter 4. Files and File I/O
Section 4.1. Introducing the Linux/Unix I/O Model
Section 4.2. Presenting a Basic Program Structure
Section 4.3. Determining What Went Wrong
Section 4.4. Doing Input and Output
Section 4.5. Random Access: Moving Around within a File
Section 4.6. Creating Files
Section 4.7. Forcing Data to Disk
Section 4.8. Setting File Length
Section 4.9. Summary
Exercises
C hapter 5. Directories and File Metadata
Section 5.1. Considering Directory C ontents
Section 5.2. Creating and Removing Directories
Section 5.3. Reading Directories
Section 5.4. Obtaining Information about Files
Section 5.5. Changing Ownership, Permission, and Modification Times
Section 5.6. Summary
Exercises
C hapter 6. General Library Interfaces — Part 1
Section 6.1. Times and Dates
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