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Doc: Further clarify support for _Bool type

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gcc/ChangeLog
	* doc/extend.texi (Boolean Type): Further clarify support for
	_Bool in C23 and C++.
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Sandra Loosemore 2025-04-06 16:03:48 +00:00
parent 939fa28d26
commit b39d5fad62
1 changed files with 7 additions and 1 deletions
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gcc/doc/extend.texi
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@ -13814,7 +13814,13 @@ The C99 standard added @code{_Bool} as a C language keyword naming the
boolean type. As an extension, GNU C also recognizes @code{_Bool} in
C90 mode as well as with @option{-std=c99} and later.
GNU C++ does not support the @code{_Bool} keyword.
C23 added @code{bool} as the preferred name of the boolean type, but
@code{_Bool} also remains a standard keyword in the language and is
supported as such by GCC with @option{-std=c23}.
GNU C++ does not support @code{_Bool} as a keyword, but including
@code{<stdbool.h>} defines it as a macro in terms of standard C++'s
@code{bool} type.
@node Variadic Macros
@subsection Macros with a Variable Number of Arguments.