nl_langinfo.3

KPIT GNU Tools is a set of GNU development tools for Renesas microcontrollers.

.\" Copyright (c) 2001 Alexey Zelkin <[e-mail]>
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD: src/lib/libc/locale/nl_langinfo.3,v 1.4 2002/04/13 04:25:56 dd Exp $
.\"
.Dd May 3, 2001
.Dt NL_LANGINFO 3
.Os
.Sh NAME
.Nm nl_langinfo
.Nd language information
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In langinfo.h
.Ft char *
.Fn nl_langinfo "nl_item item"
.Sh DESCRIPTION
The
.Fn nl_langinfo
function returns a pointer to a string containing information relevant to
the particular language or cultural area defined in the program's locale.
The manifest constant names and values of
.Fa item
are defined in
.Aq Pa langinfo.h .
.Pp
Calls to
.Fn setlocale
with a category corresponding to the category of
.Fa item ,
or to the
category
.Dv LC_ALL ,
may overwrite buffer pointed by the return value.
.Sh EXAMPLES
For example:
.Pp
.Dl nl_langinfo(ABDAY_1)
.Pp
would return a pointer to the string
.Qq Li Dom
if the identified language was
Portuguese, and
.Qq Li Sun
if the identified language was English.
.Sh RETURN VALUES
In a locale where langinfo data is not defined,
.Fn nl_langinfo
returns a pointer to the corresponding string in the
.Tn POSIX
locale.
In all locales,
.Fn nl_langinfo
returns a pointer to an empty string if
.Fa item
contains an invalid setting.
.Sh SEE ALSO
.Xr setlocale 3
.Sh STANDARDS
The
.Fn nl_langinfo
function conforms to
.St -susv2 .
.Sh HISTORY
The
.Fn nl_langinfo
function first appeared in
.Fx 4.6 .