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FreeBSD 11.0 - man page for nl_langinfo_l (freebsd section 3)

NL_LANGINFO(3)						   BSD Library Functions Manual 					    NL_LANGINFO(3)

NAME
nl_langinfo -- language information
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <langinfo.h> char * nl_langinfo(nl_item item); char * nl_langinfo_l(nl_item item, locale_t loc);
DESCRIPTION
The nl_langinfo() function returns a pointer to a string containing information relevant to the particular language or cultural area defined in the program or thread's locale, or in the case of nl_langinfo_l(), the locale passed as the second argument. The manifest constant names and values of item are defined in <langinfo.h>. Calls to setlocale() with a category corresponding to the category of item, or to the category LC_ALL, may overwrite the buffer pointed to by the return value.
RETURN VALUES
In a locale where langinfo data is not defined, nl_langinfo() returns a pointer to the corresponding string in the POSIX locale. nl_langinfo_l() returns the same values as nl_langinfo(). In all locales, nl_langinfo() returns a pointer to an empty string if item con- tains an invalid setting.
EXAMPLES
For example: nl_langinfo(ABDAY_1) would return a pointer to the string "Dom" if the identified language was Portuguese, and "Sun" if the identified language was English.
SEE ALSO
setlocale(3)
STANDARDS
The nl_langinfo() function conforms to Version 2 of the Single UNIX Specification (``SUSv2''). The nl_langinfo_l() function conforms to IEEE Std 1003.1-2008 (``POSIX.1'').
HISTORY
The nl_langinfo() function first appeared in FreeBSD 4.6.
BSD
July 30, 2012 BSD