Standard library header <clocale>

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Standard library headers
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<concepts> (C++20)
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<system_error> (C++11)

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<memory_resource> (C++17)  
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<utility>
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Numerics
<cfenv> (C++11)
<complex>
<numbers> (C++20)

Time
<chrono> (C++11)
Localization
<clocale>
<codecvt> (C++11/17*)
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<filesystem> (C++17)
<cstdio>
<cinttypes> (C++11)
<strstream> (C++98*)
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<regex> (C++11)
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<stop_token> (C++20)
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<future> (C++11)

C compatibility
<cstdbool> (C++11/17/20*)  
<ccomplex> (C++11/17/20*)
<ctgmath> (C++11/17/20*)

<cstdalign> (C++11/17/20*)

<ciso646> (until C++20)

 

This header was originally in the C standard library as <locale.h>.

This header is part of the localization library

Types

formatting details, returned by std::localeconv
(class)

Constants

implementation-defined null pointer constant
(macro constant)
locale categories for std::setlocale
(macro constant)

Functions

gets and sets the current C locale
(function)
queries numeric and monetary formatting details of the current locale
(function)

Synopsis

namespace std {
  struct lconv;
 
  char* setlocale(int category, const char* locale);
  lconv* localeconv();
}
 
#define NULL /* see description */
#define LC_ALL /* see description */
#define LC_COLLATE /* see description */
#define LC_CTYPE /* see description */
#define LC_MONETARY /* see description */
#define LC_NUMERIC /* see description */
#define LC_TIME /* see description */

Notes