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setlocale(3) [freebsd man page]

SETLOCALE(3)						   BSD Library Functions Manual 					      SETLOCALE(3)

NAME
setlocale -- natural language formatting for C LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <locale.h> char * setlocale(int category, const char *locale); DESCRIPTION
The setlocale() function sets the C library's notion of natural language formatting style for particular sets of routines. Each such style is called a 'locale' and is invoked using an appropriate name passed as a C string. The setlocale() function recognizes several categories of routines. These are the categories and the sets of routines they select: LC_ALL Set the entire locale generically. LC_COLLATE Set a locale for string collation routines. This controls alphabetic ordering in strcoll() and strxfrm(). LC_CTYPE Set a locale for the ctype(3) and multibyte(3) functions. This controls recognition of upper and lower case, alphabetic or non- alphabetic characters, and so on. LC_MESSAGES Set a locale for message catalogs, see catopen(3) function. LC_MONETARY Set a locale for formatting monetary values; this affects the localeconv() function. LC_NUMERIC Set a locale for formatting numbers. This controls the formatting of decimal points in input and output of floating point num- bers in functions such as printf() and scanf(), as well as values returned by localeconv(). LC_TIME Set a locale for formatting dates and times using the strftime() function. Only three locales are defined by default, the empty string "" which denotes the native environment, and the "C" and "POSIX" locales, which denote the C language environment. A locale argument of NULL causes setlocale() to return the current locale. By default, C programs start in the "C" locale. The only function in the library that sets the locale is setlocale(); the locale is never changed as a side effect of some other routine. RETURN VALUES
Upon successful completion, setlocale() returns the string associated with the specified category for the requested locale. The setlocale() function returns NULL and fails to change the locale if the given combination of category and locale makes no sense. FILES
$PATH_LOCALE/locale/category /usr/share/locale/locale/category locale file for the locale locale and the category category. ERRORS
No errors are defined. SEE ALSO
colldef(1), mklocale(1), catopen(3), ctype(3), localeconv(3), multibyte(3), strcoll(3), strxfrm(3), euc(5), utf8(5), environ(7) STANDARDS
The setlocale() function conforms to ISO/IEC 9899:1999 (``ISO C99''). HISTORY
The setlocale() function first appeared in 4.4BSD. BSD
November 21, 2003 BSD

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NEWLOCALE(3)						   BSD Library Functions Manual 					      NEWLOCALE(3)

NAME
newlocale -- Creates a new locale LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <xlocale> locale_t newlocale(int mask, const char * locale, locale_t base); DESCRIPTION
Creates a new locale, inheriting some properties from an existing locale. The mask defines the components that the new locale will have set to the locale with the name specified in the locale parameter. Any other components will be inherited from base. The mask is either LC_ALL_MASK, indicating all possible locale components, or the logical OR of some combination of the following: LC_COLLATE_MASK The locale for string collation routines. This controls alphabetic ordering in strcoll(3) and strxfrm(3). LC_CTYPE_MASK The locale for the ctype(3) and multibyte(3) functions. This controls recognition of upper and lower case, alpha- betic or non-alphabetic characters, and so on. LC_MESSAGES_MASK Set a locale for message catalogs, see catopen(3) function. LC_MONETARY_MASK Set a locale for formatting monetary values; this affects the localeconv(3) function. LC_NUMERIC_MASK Set a locale for formatting numbers. This controls the formatting of decimal points in input and output of floating point numbers in functions such as printf(3) and scanf(3), as well as values returned by localeconv(3). LC_TIME_MASK Set a locale for formatting dates and times using the strftime(3) function. This function uses the same rules for loading locale components as setlocale(3). RETURN VALUES
Returns a new, valid, locale_t or NULL if an error occurs. You must free the returned locale with freelocale(3). SEE ALSO
duplocale(3), freelocale(3), localeconv(3), querylocale(3), uselocale(3), xlocale(3) STANDARDS
This function conforms to IEEE Std 1003.1-2008 (``POSIX.1''). BSD
September 17, 2011 BSD

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