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

#
	`#' operator	3.4 Stringification
	`##' operator	3.5 Concatenation

_
	`_Pragma`	7. Pragmas

A
	alternative tokens	1.2 Tokenization
	arguments	3.3 Macro Arguments
	arguments in macro definitions	3.3 Macro Arguments
	assertions	11.3.1 Assertions
	assertions, canceling	11.3.1 Assertions

B
	backslash-newline	1.1 Initial processing
	block comments	1.1 Initial processing

C
	C++ named operators	3.7.4 C++ Named Operators
	character constants	1.2 Tokenization
	character sets	1.1 Initial processing
	command line	12. Invocation
	commenting out code	4.3 Deleted Code
	comments	1.1 Initial processing
	common predefined macros	3.7.2 Common Predefined Macros
	computed includes	2.5 Computed Includes
	concatenation	3.5 Concatenation
	conditional group	4.2.1 Ifdef
	conditionals	4. Conditionals
	continued lines	1.1 Initial processing
	controlling macro	2.4 Once-Only Headers

D
	`defined`	4.2.3 Defined
	dependencies for make as output	13. Environment Variables
	dependencies for make as output	13. Environment Variables
	dependencies, make	12. Invocation
	diagnostic	5. Diagnostics
	differences from previous versions	11.4 Differences from previous versions
	digraphs	1.2 Tokenization
	directive line	1.3 The preprocessing language
	directive name	1.3 The preprocessing language
	directives	1.3 The preprocessing language

E
	empty macro arguments	3.3 Macro Arguments
	environment variables	13. Environment Variables
	expansion of arguments	3.10.6 Argument Prescan

F
	FDL, GNU Free Documentation License	GNU Free Documentation License
	function-like macros	3.2 Function-like Macros

G
	grouping options	12. Invocation
	guard macro	2.4 Once-Only Headers

H
	header file	2. Header Files
	header file names	1.2 Tokenization

I
	identifiers	1.2 Tokenization
	implementation limits	11.2 Implementation limits
	implementation-defined behavior	11.1 Implementation-defined behavior
	including just once	2.4 Once-Only Headers
	invocation	12. Invocation
	iso646.h	3.7.4 C++ Named Operators

L
	line comments	1.1 Initial processing
	line control	6. Line Control
	line endings	1.1 Initial processing
	linemarkers	9. Preprocessor Output

M
	macro argument expansion	3.10.6 Argument Prescan
	macro arguments and directives	3.9 Directives Within Macro Arguments
	macros in include	2.5 Computed Includes
	macros with arguments	3.3 Macro Arguments
	macros with variable arguments	3.6 Variadic Macros
	make	12. Invocation
	manifest constants	3.1 Object-like Macros

N
	named operators	3.7.4 C++ Named Operators
	newlines in macro arguments	3.10.7 Newlines in Arguments
	null directive	8. Other Directives
	numbers	1.2 Tokenization

O
	object-like macro	3.1 Object-like Macros
	options	12. Invocation
	options, grouping	12. Invocation
	other tokens	1.2 Tokenization
	output format	9. Preprocessor Output
	overriding a header file	2.6 Wrapper Headers

P
	parentheses in macro bodies	3.10.2 Operator Precedence Problems
	pitfalls of macros	3.10 Macro Pitfalls
	predefined macros	3.7 Predefined Macros
	predefined macros, system-specific	3.7.3 System-specific Predefined Macros
	predicates	11.3.1 Assertions
	preprocessing directives	1.3 The preprocessing language
	preprocessing numbers	1.2 Tokenization
	preprocessing tokens	1.2 Tokenization
	prescan of macro arguments	3.10.6 Argument Prescan
	problems with macros	3.10 Macro Pitfalls
	punctuators	1.2 Tokenization

R
	redefining macros	3.8 Undefining and Redefining Macros
	repeated inclusion	2.4 Once-Only Headers
	reporting errors	5. Diagnostics
	reporting warnings	5. Diagnostics
	reserved namespace	3.7.3 System-specific Predefined Macros

S
	self-reference	3.10.5 Self-Referential Macros
	semicolons (after macro calls)	3.10.3 Swallowing the Semicolon
	side effects (in macro arguments)	3.10.4 Duplication of Side Effects
	standard predefined macros.	3.7.1 Standard Predefined Macros
	string constants	1.2 Tokenization
	string literals	1.2 Tokenization
	stringification	3.4 Stringification
	symbolic constants	3.1 Object-like Macros
	system header files	2. Header Files
	system header files	2.7 System Headers
	system-specific predefined macros	3.7.3 System-specific Predefined Macros

T
	testing predicates	11.3.1 Assertions
	token concatenation	3.5 Concatenation
	token pasting	3.5 Concatenation
	tokens	1.2 Tokenization
	trigraphs	1.1 Initial processing

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