Concept Index

# operator, see Section 3.4 Stringification

## operator, see Section 3.5 Concatenation

_Pragma, see Chapter 7 Pragmas

A

alternative tokens, see Section 1.3 Tokenization

arguments, see Section 3.3 Macro Arguments

arguments in macro definitions, see Section 3.3 Macro Arguments

assertions, see Section 11.3.1 Assertions

assertions, canceling, see Section 11.3.1 Assertions

B

backslash-newline, see Section 1.2 Initial processing

block comments, see Section 1.2 Initial processing

C

C++ named operators, see Section 3.7.4 C++ Named Operators

character constants, see Section 1.3 Tokenization

command line, see Chapter 12 Invocation

commenting out code, see Section 4.3 Deleted Code

comments, see Section 1.2 Initial processing

common predefined macros, see Section 3.7.2 Common Predefined Macros

computed includes, see Section 2.5 Computed Includes

concatenation, see Section 3.5 Concatenation

conditional group, see Section 4.2.1 Ifdef

conditionals, see Chapter 4 Conditionals

continued lines, see Section 1.2 Initial processing

controlling macro, see Section 2.4 Once-Only Headers

defined, see Section 4.2.3 Defined

D

dependencies for make as output, see Chapter 13 Environment Variables

dependencies, make, see Chapter 12 Invocation

diagnostic, see Chapter 5 Diagnostics

differences from previous versions, see Section 11.4 Differences from previous versions

digraphs, see Section 1.3 Tokenization

directive line, see Section 1.4 The preprocessing language

directive name, see Section 1.4 The preprocessing language

directives, see Section 1.4 The preprocessing language

E

empty macro arguments, see Section 3.3 Macro Arguments

environment variables, see Chapter 13 Environment Variables

expansion of arguments, see Section 3.10.6 Argument Prescan

F

FDL, GNU Free Documentation License, see Chapter 14 GNU Free Documentation License

function-like macros, see Section 3.2 Function-like Macros

G

grouping options, see Chapter 12 Invocation

guard macro, see Section 2.4 Once-Only Headers

H

header file, see Chapter 2 Header Files

header file names, see Section 1.3 Tokenization

I

identifiers, see Section 1.3 Tokenization

implementation limits, see Section 11.2 Implementation limits

implementation-defined behavior, see Section 11.1 Implementation-defined behavior

including just once, see Section 2.4 Once-Only Headers

invocation, see Chapter 12 Invocation

iso646.h, see Section 3.7.4 C++ Named Operators

L

line comments, see Section 1.2 Initial processing

line control, see Chapter 6 Line Control

line endings, see Section 1.2 Initial processing

linemarkers, see Chapter 9 Preprocessor Output

M

macro argument expansion, see Section 3.10.6 Argument Prescan

macro arguments and directives, see Section 3.9 Directives Within Macro Arguments

macros in include, see Section 2.5 Computed Includes

macros with arguments, see Section 3.3 Macro Arguments

macros with variable arguments, see Section 3.6 Variadic Macros

make, see Chapter 12 Invocation

manifest constants, see Section 3.1 Object-like Macros

N

named operators, see Section 3.7.4 C++ Named Operators

newlines in macro arguments, see Section 3.10.7 Newlines in Arguments

null directive, see Chapter 8 Other Directives

numbers, see Section 1.3 Tokenization

O

object-like macro, see Section 3.1 Object-like Macros

options, see Chapter 12 Invocation

options, grouping, see Chapter 12 Invocation

other tokens, see Section 1.3 Tokenization

output format, see Chapter 9 Preprocessor Output

overriding a header file, see Section 2.6 Wrapper Headers

P

parentheses in macro bodies, see Section 3.10.2 Operator Precedence Problems

pitfalls of macros, see Section 3.10 Macro Pitfalls

predefined macros, see Section 3.7 Predefined Macros

predefined macros, system-specific, see Section 3.7.3 System-specific Predefined Macros

predicates, see Section 11.3.1 Assertions

preprocessing directives, see Section 1.4 The preprocessing language

preprocessing numbers, see Section 1.3 Tokenization

preprocessing tokens, see Section 1.3 Tokenization

prescan of macro arguments, see Section 3.10.6 Argument Prescan

problems with macros, see Section 3.10 Macro Pitfalls

punctuators, see Section 1.3 Tokenization

R

redefining macros, see Section 3.8 Undefining and Redefining Macros

repeated inclusion, see Section 2.4 Once-Only Headers

reporting errors, see Chapter 5 Diagnostics

reporting warnings, see Chapter 5 Diagnostics

reserved namespace, see Section 3.7.3 System-specific Predefined Macros

S

self-reference, see Section 3.10.5 Self-Referential Macros

semicolons (after macro calls), see Section 3.10.3 Swallowing the Semicolon

side effects (in macro arguments), see Section 3.10.4 Duplication of Side Effects

standard predefined macros., see Section 3.7.1 Standard Predefined Macros

string constants, see Section 1.3 Tokenization

string literals, see Section 1.3 Tokenization

stringification, see Section 3.4 Stringification

symbolic constants, see Section 3.1 Object-like Macros

system header files, see Section 2.7 System Headers

system header files, see Chapter 2 Header Files

system-specific predefined macros, see Section 3.7.3 System-specific Predefined Macros

T

testing predicates, see Section 11.3.1 Assertions

token concatenation, see Section 3.5 Concatenation

token pasting, see Section 3.5 Concatenation

tokens, see Section 1.3 Tokenization

trigraphs, see Section 1.2 Initial processing

U

undefining macros, see Section 3.8 Undefining and Redefining Macros

unsafe macros, see Section 3.10.4 Duplication of Side Effects

V

variable number of arguments, see Section 3.6 Variadic Macros

variadic macros, see Section 3.6 Variadic Macros

W

wrapper #ifndef, see Section 2.4 Once-Only Headers

wrapper headers, see Section 2.6 Wrapper Headers