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Index Entry
Section
#
#assert:
#assert
Obsolete Features
#define:
#define
Object-like Macros
#elif:
#elif
Elif
#else:
#else
Else
#endif:
#endif
Ifdef
#error:
#error
Diagnostics
#ident:
#ident
Other Directives
#if:
#if
Conditional Syntax
#ifdef:
#ifdef
#ifndef:
#ifndef
#import:
#import
Alternatives to Wrapper #ifndef
#include:
#include
Include Syntax
#include_next:
#include_next
Wrapper Headers
#line:
#line
Line Control
#pragma GCC dependency:
#pragma GCC dependency
Pragmas
#pragma GCC error:
#pragma GCC error
#pragma GCC poison:
#pragma GCC poison
#pragma GCC system_header:
#pragma GCC system_header
System Headers
#pragma GCC warning:
#pragma GCC warning
#pragma once:
#pragma once
#sccs:
#sccs
#unassert:
#unassert
#undef:
#undef
Undefining and Redefining Macros
#warning:
#warning