[rk_2014_1024] [C++_02] The C preprocessor Macros

1.The C Preprocessor Macros

The C preprocessor1Overview1.1Character Sets1.2Initial Processing1.3tokenization1.4The preprocessing language2Header Files2.1Include Syntax2.2Include Operation2.3Search Path2.4once-Only Headers2.5Alternatives to Wrapper #ifndef2.6Computed includes2.7Wrapper Headers2.8System Headers3Macros3.1object-Like Macros3.2function-Like Macros3.3Macro Arguments3.4stringification3.5concatenation3.6Variadic Macros3.7predefined Macros3.7.1Standard predefined Macros3.7.2Common Predefined Macros3.7.3system-Specific predefined Macros3.7.4C++Named Operators3.8undefining and redefining Macros3.9directives within Macro Arguments3.10Macro Pitfalls3.10.1misnesting3.10.2Operator Precedence Problems3.10.3swallowing the semicolon3.10.4duplication of Side Effects3.10.5self-referential Macros3.10.6Argument Prescan3.10.7NewlinesinchArguments4conditionals4.1Conditional Uses4.2Conditional Syntax4.2.1ifdef4.2.2If4.2.3Defined4.2.4Else4.2.5Elif4.3Deleted Code5Diagnostics6Line Control7pragmas8Other directives9Preprocessor OutputTenTraditional Mode10.1Traditional lexical analysis10.2Traditional Macros10.3Traditional Miscellany10.4Traditional Warnings Oneimplementation Details11.1implementation-defined Behavior11.2implementation Limits11.3Obsolete Features11.3.1assertions11.4Differences fromPrevious Versions Ainvocation -Environment Variablesgnu Free Documentation Licenseaddendum:how ThisLicense foryour documentsindex of directivesoption indexconcept Index

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5. This web site [tom-and-jerry posted on 2014-10-25 15:01]

Http://www.cnblogs.com/tom-and-jerry/p/4050131.html

[rk_2014_1024] [C++_02] The C preprocessor Macros