21世纪C语言(影印版)

抛弃你对于C语言的那些陈旧观念吧。你应该重 新学习这门编程语言，它早已改变了过去的面貌。在 《21世纪C语言(影印版)》中，你将了解到在其他C语 言书籍中所缺失的那些最新技术。C语言不仅仅是现 代编程语言的基石，它本身也是一门现代语言，尤其 适合于编写高效的、尖端的应用程序。你需要放弃那 些只有在大型机时代才有意义的旧习，转而选择相应 的工具来使用这门改进的极其简单的语言。无论目前 你是哪门编程语言的拥护者，你都不得不承认C语言 也很出色。 《21世纪C语言(影印版)》的作者是克莱门斯。

Ben Klemens为布鲁金斯学会、世界银行、美国国家心理卫生研究所和美国政府编写统计分析和集约计算模型。他同时也为布鲁金斯学会和自由软件基金会工作来确保软件作者有权使用他们编写的软件。

Preface Part I．The Environment 1．SetYourself Up for Easy Compilation Use a Package Manager Compiling C with Windows POSIX for Windows Compiling C with POSIX Compiling C Without POSIX Which Way to the Library? A Few of My Favorite Flags Paths Runtime Linking Using Makefiles Setting Variables The Rules Using Libraries from Source Using Libraries from Source(Even if Your Sysadmin Doesn’t Want You To) Compiling C Programs via Here Document Include Header Files from the Command Line The Unified Header Here Documents Compiling from stdin 2．Debug，Test，Document Using a Debugger GDB Variables Print Your Structures Using Valgrind to Check for Errors Unit Testing Using a Program as a Library Coverage Interweaving Documentation Doxygen Literate Code with CW’EB Error Checking What Is the User’s Involvement in the Error? The Context in Which the User Is Working How Should the Error Indication Be Returned? 3．PackagingYourProject The Shell Replacing Shell Commands with Their Outputs Use the Shell’s for Loops to Operate on a Set of Files TestforFiles fc Makefiles VS．Shell Scripts Packaging Your Code with Autotools An Autotools Demo Describing the Makefile with makefile．am The configure Script 4．VersionControI Changes via diff Git’s Objects The Stash Trees and Their Branches Merging The Rebase Remote Repositories 5．PlayingNicewithOthers The Process Writing to Be Read by Nonnatives The Wrapper Function Smuggling Data Structures Across the Border Linking Python Host Compiling and Linking The Conditional Subdirectory for Automake Distutils Backed with Autotools Part II．The Language 6．YOurPaIthePointer Automatic，Static，and Manual Memory Persistent State Variables Pointers Without malloc Structures Get Copied，Arrays Get Aliased malloc and Memory—Twiddling The Fault Is in Our Stars All the Pointer Arithmetic You Need to Know 7．CSyntaxYouCanIgnore Don’t Bother Explicitly Returning from main Let Declarations Flow Set Array Size at Runtime Cast Less Enums and Strings Labels，gotos，switches，and breaks gotO Considered switch Deprecate Float 8．Obstaclesand Oppounity Cultivate Robust and Flourishing Macros Preprocessor Tricks Linkage with static and extem Declare Externally Linked Elements Only in Header Files The const Keyword Noun—Adjective Form Tension Depth The char const Issue 9．Text Making String Handling Less Painful with asprintf Security Constant Strings Extending Strings with asprintf APean to strtok Unicode The Encoding for C Code Unicode Libraries The Sample Code 10．Better Structures Compound Literals Initialization via Compound Literals Variadic Macros Safely Terminated Lists Foreach Vectorize a Function Designated Initializers Initialize Arrays and Structs with Zeros Typedefs Save the Day A StyleNote Return Multiple Items from a Function Reporting Errors Flexible Function Inputs Declare Your Function．as printf-Style Optional and Named Arguments Polishing a Dull Function The Void Pointer and the Structures It Points To Functions with Generic Inputs Generic Structures 11．Object-Oriented Programmingin C What You Don’t Get(and Why You Won’t Miss It) Scope Overloaded with Operator Overloading Extending Structures and Dictionaries Extending a Structure Implementing a Dictionary Base Your Code on Pointers to Objects Functions in Your Structs Count References， Example：A Substring Object An Agent—Based Model of Group Formation 12．Libraries GLib POS．IX Using mmap for Gigantic Data Sets Easy Threading with Pthreads The GNU Scientific Library SQLite The Queries libxml and cURL Epilogue Glossary Bibliography Index