Concept Index

• `#' operator: Stringizing
• `##' operator: Concatenation
• __has_attribute: <code>__has_attribute</code>
• __has_builtin: <code>__has_builtin</code>
• __has_c_attribute: <code>__has_c_attribute</code>
• __has_cpp_attribute: <code>__has_cpp_attribute</code>
• __has_include: <code>__has_include</code>
• _Pragma: Pragmas
• alternative tokens: Tokenization
• arguments: Macro Arguments
• arguments in macro definitions: Macro Arguments
• assertions: Obsolete Features
• assertions, canceling: Obsolete Features
• backslash-newline: Initial processing
• block comments: Initial processing
• 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
• defined: Defined
• 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
• empty macro arguments: Macro Arguments
• environment variables: Environment Variables
• expansion of arguments: Argument Prescan
• FDL, GNU Free Documentation License: GNU Free Documentation License
• function-like macros: Function-like Macros
• grouping options: Invocation
• guard macro: Once-Only Headers
• header file: Header Files
• header file names: Tokenization
• 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
• line comments: Initial processing
• line control: Line Control
• line endings: Initial processing
• linemarkers: Preprocessor Output
• 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
• named operators: C++ Named Operators
• newlines in macro arguments: Newlines in Arguments
• null directive: Other Directives
• numbers: Tokenization
• object-like macro: Object-like Macros
• options: Invocation
• options, grouping: Invocation
• other tokens: Tokenization
• output format: Preprocessor Output
• overriding a header file: Wrapper Headers
• 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
• redefining macros: Undefining and Redefining Macros
• repeated inclusion: Once-Only Headers
• reporting errors: Diagnostics
• reporting warnings: Diagnostics
• reserved namespace: System-specific Predefined Macros
• 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: System Headers
• system header files: Header Files
• system-specific predefined macros: System-specific Predefined Macros
• testing predicates: Obsolete Features
• token concatenation: Concatenation
• token pasting: Concatenation
• tokens: Tokenization
• traditional C language: Invocation
• trigraphs: Initial processing
• undefining macros: Undefining and Redefining Macros
• unsafe macros: Duplication of Side Effects
• variable number of arguments: Variadic Macros
• variadic macros: Variadic Macros
• wrapper #ifndef: Once-Only Headers
• wrapper headers: Wrapper Headers