Concept Index (The C Preprocessor)

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Concept Index ¶

Jump to:	_ # A B C D E F G H I L M N O P R S T U V W

_
	Index Entry	Section

	`__has_attribute`	`__has_attribute`
	`__has_builtin`	`__has_builtin`
	`__has_c_attribute`	`__has_c_attribute`
	`__has_cpp_attribute`	`__has_cpp_attribute`
	`__has_include`	`__has_include`
	`_Pragma`	Pragmas

#
	‘`#`’ operator	Stringizing
	‘`##`’ operator	Concatenation

A
	alternative tokens	Tokenization
	arguments	Macro Arguments
	arguments in macro definitions	Macro Arguments
	assertions	Obsolete Features
	assertions, canceling	Obsolete Features

B
	backslash-newline	Initial processing
	block comments	Initial processing

C
	C language, traditional	Invocation
	C++ named operators	C++ Named Operators
	character constants	Tokenization
	character set, execution	Invocation
	character set, input	Invocation
	character set, wide execution	Invocation
	command line	Invocation
	commenting out code	Deleted Code
	comments	Initial processing
	common predefined macros	Common Predefined Macros
	computed includes	Computed Includes
	concatenation	Concatenation
	conditional group	Ifdef
	conditionals	Conditionals
	continued lines	Initial processing
	controlling macro	Once-Only Headers

D
	`defined`	Defined
	dependencies for make as output	Environment Variables
	dependencies for make as output	Environment Variables
	dependencies, `make`	Invocation
	diagnostic	Diagnostics
	digraphs	Tokenization
	directive line	The preprocessing language
	directive name	The preprocessing language
	directives	The preprocessing language

E
	empty macro arguments	Macro Arguments
	environment variables	Environment Variables
	expansion of arguments	Argument Prescan

F
	FDL, GNU Free Documentation License	GNU Free Documentation License
	function-like macros	Function-like Macros

G
	grouping options	Invocation
	guard macro	Once-Only Headers

H
	header file	Header Files
	header file names	Tokenization

I
	identifiers	Tokenization
	implementation limits	Implementation limits
	implementation-defined behavior	Implementation-defined behavior
	including just once	Once-Only Headers
	invocation	Invocation
	`iso646.h`	C++ Named Operators

L
	line comments	Initial processing
	line control	Line Control
	line endings	Initial processing
	linemarkers	Preprocessor Output

M
	macro argument expansion	Argument Prescan
	macro arguments and directives	Directives Within Macro Arguments
	macros in include	Computed Includes
	macros with arguments	Macro Arguments
	macros with variable arguments	Variadic Macros
	`make`	Invocation
	manifest constants	Object-like Macros

N
	named operators	C++ Named Operators
	newlines in macro arguments	Newlines in Arguments
	null directive	Other Directives
	numbers	Tokenization

O
	object-like macro	Object-like Macros
	options	Invocation
	options, grouping	Invocation
	other tokens	Tokenization
	output format	Preprocessor Output
	overriding a header file	Wrapper Headers

P
	parentheses in macro bodies	Operator Precedence Problems
	pitfalls of macros	Macro Pitfalls
	pragma directive	Pragmas
	predefined macros	Predefined Macros
	predefined macros, system-specific	System-specific Predefined Macros
	predicates	Obsolete Features
	preprocessing directives	The preprocessing language
	preprocessing numbers	Tokenization
	preprocessing tokens	Tokenization
	prescan of macro arguments	Argument Prescan
	problems with macros	Macro Pitfalls
	punctuators	Tokenization

R
	redefining macros	Undefining and Redefining Macros
	repeated inclusion	Once-Only Headers
	reporting errors	Diagnostics
	reporting warnings	Diagnostics
	reserved namespace	System-specific Predefined Macros

S
	self-reference	Self-Referential Macros
	semicolons (after macro calls)	Swallowing the Semicolon
	side effects (in macro arguments)	Duplication of Side Effects
	standard predefined macros.	Standard Predefined Macros
	string constants	Tokenization
	string literals	Tokenization
	stringizing	Stringizing
	symbolic constants	Object-like Macros
	system header files	Header Files
	system header files	System Headers
	system-specific predefined macros	System-specific Predefined Macros

T
	testing predicates	Obsolete Features
	token concatenation	Concatenation
	token pasting	Concatenation
	tokens	Tokenization
	traditional C language	Invocation
	trigraphs	Initial processing

U
	undefining macros	Undefining and Redefining Macros
	unsafe macros	Duplication of Side Effects

V
	variable number of arguments	Variadic Macros
	variadic macros	Variadic Macros

W
	wrapper `#ifndef`	Once-Only Headers
	wrapper headers	Wrapper Headers