From cppreference.com
This header was originally in the C standard library as
.
This header is part of the
library.
Types
formatting details, returned by
(class)
Constants
implementation-defined null pointer constant
(macro constant)
LC_ALLLC_COLLATELC_CTYPELC_MONETARYLC_NUMERICLC_TIME
locale categories for
(macro constant)
Functions
gets and sets the current C locale
(function)
queries numeric and monetary formatting details of the current locale
(function)
Synopsis
namespacestd{structlconv;char*setlocale(intcategory,constchar*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
is also defined in the following headers: