本书是由C语言的设计者Brian W.Kernighan和Dennis M.Ritchie编写的一部介绍标准C语言及其程序设计方法的权威性经典著作。英文影印版，全面、系统地讲述了C语言的各个特性及程序设计的基本方法，包括基本概念，类型和表达式、控制流、函数与程序结构、指针与数组、结构、输入与输出、UNIX系统接口、标准库等内容。本书的讲述深入浅出，配合典型例证，通俗易懂，实用性强，适合作为大专院校计算机专业或非计算机专业的C语言教材，也可以作为从事计算机相关软硬件开发的技术人员的参考书。

在计算机发展的历史上，没有哪一种程序设计语言像C语言这样应用如此广泛。本书原著即为C语言的设计者之一Dennis M.Ritchie和著名的计算机科学家Brian W.Kernighan合著的一本介绍C语言的权威经典著作。我们现在见到的大量论述C语言程序设计的教材和专著均以此书为蓝本。原著第1版中介绍的C语言成为后来广泛使用的C语言版本——标准C的基础。人们熟知的“hello,world”程序就是由本书首次引入的，现在，这一程序已经成为所有程序设计语言入门的第一课。

第2版根据1987年制定的ANSIC标准做了适当的修订，引入了最新的语言形式，并增加了新的示例。通过简洁的描述、典型的示例，作者全面、系统、准确地讲述了C语言的各个特性以及程序设计的基本方法。对于计算机从业人员来说，本书是一本必读的程序设计语言方面的参考书。

序

第1版序

Introduction

Chapter 1. A Tutorial Introduction

  1.1 Getting Started

  1.2 Variables and Arithmetic Expressions

  1.3 The For Statement

  1.4 Symbolic Constants

  1.5 Character Input and Output

  1.6 Arrays

  1.7 Functions

  1.8 Arguments--Call by Value

  1.9 Character Arrays

  1.10 External Variables and Scope

Chapter 2. Types, Operators, and Expressions

  2.1 Variable Names

  2.2 Data Types and Sizes

  2.3 Constants

  2.4 Declarations

  2.5 Arithmetic Operators

  2.6 Relational and Logical Operators

  2.7 Type Conversions

  2.8 Increment and Decrement Operators

  2.9 Bitwise Operators

  2.10 Assignment Operators and Expressions

  2.11 Conditional Expressions

  2.12 Precedence and Order of Evaluation

Chapter 3. Control Flow

  3.1 Statements and Blocks

  3.2 If-Else

  3.3 Else-If

  3.4 Switch

  3.5 Loops--While and For

  3.6 Loops-Do-while

  3.7 Break and Continue

  3.8 Goto and Labels

Chapter 4. Functions and Program Structure

  4.1 Basics of Functions

  4.2 Functions Returning Non-integers

  4.3 External Variables

  4.4 Scope Rules

  4.5 Header Files

  4.6 Static Variables

  4.7 Register Variables

  4.8 Block Structure

  4.9 Initialization

  4.10 Recursion

  4.11 The C Preprocessor

Chapter 5. Pointers and Arrays

  5.1 Pointers and Addresses

  5.2 Pointers and Function Arguments

  5.3 Pointers and Arrays

  5.4 Address Arithmetic

  5.5 Character Pointers and Functions

  5.6 Pointer Arrays; Pointers to Pointers

  5.7 Multi-dimensional Arrays

  5.8 Initialization of Pointer Arrays

  5.9 Pointers vs. Multi-dimensional Arrays

  5.10 Command-line Arguments

  5.11 Pointers to Functions

  5.12 Complicated Declarations

Chapter 6. Structures

  6.1 Basics of Structures

  6.2 Structures and Functions

  6.3 Arrays of Structures

  6.4 Pointers to Structures

  6.5 Self-referential Structures

  6.6 Table Lookup

  6.7 Typedef

  6.8 Unions

  6.9 Bit-fields

Chapter 7. Input and Output

  7.1 Standard Input and Output

  7.2 Formatted Output--Printf

 7.3 Variable-length Argument Lists

 7.4 Formatted Input-Scanf

 7.5 File Access

 7.6 Error Handling--Stderr and Exit

 7.7 Line Input and Output

 7.8 Miscellaneous Functions

Chapter 8. The UNIX System Interface

  8.1 File Descriptors

 8.2 Low Level I/O-Read and Write

 8.3 Open, Creat, Close, Unlink

  8.4 Random Access--Lscek

  8.5 Example--An Implementation of Fopen and Getc

  8.6 Example--Listing Directories

  8.7 Example--A Storage Allocator

Appendix A. Reference Marital

  AI Introduction

  A2 Lexical Conventions

  A3 Syntax Notation

  A4 Meaning of Identifiers

  A5 Objects and Lvalues

  A6 Conversions

  A7 Expressions

  A8 Declarations

  A9 Statements

  AI0 External Declarations

  All Scopeand Linkage

  A12 Preprocessing

  A13 Grammar

Appendix B. Standard Library

  B1 Input and Output: <stdio.h>

  B2 Character Class Tests: <ctype.h>

  B3 String Functions: <string.h>

  B4 Mathematical Functions: <math.h>

  B5 Utility Functions: <stdlib.h>

  B6 Diagnostics: <assert.h>

  B7 Variable Argument Lists: <stdarg.h>

  B8 Non-local Jumps: <setjmp.h>

  B9 Signals: <signal.h>

  B10 Date and Time Functions: <time.h>

  BI 1 Implementation-defined Limits: <limits.h> and <float.h>

Appendix C. Summary of Changes

Index