.\"	$OpenBSD: nl_langinfo.3,v 1.13 2017/10/04 17:59:24 schwarze Exp $
.\"
.\" Copyright (c) 2017 Ingo Schwarze <schwarze@openbsd.org>
.\"
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.\" copyright notice and this permission notice appear in all copies.
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.Dd $Mdocdate: October 4 2017 $
.Dt NL_LANGINFO 3
.Os
.Sh NAME
.Nm nl_langinfo ,
.Nm nl_langinfo_l
.Nd get locale information
.Sh SYNOPSIS
.In langinfo.h
.Ft char *
.Fn nl_langinfo "nl_item item"
.Ft char *
.Fn nl_langinfo_l "nl_item item" "locale_t locale"
.Sh DESCRIPTION
The
.Fn nl_langinfo
function returns information about the global
.Xr locale 1 ,
and
.Fn nl_langinfo_l
about the
.Fa locale
passed as an argument.
.Sh RETURN VALUES
On
.Ox ,
if
.Fa item
is
.Dv CODESET ,
the return value is either
.Qq US-ASCII
or
.Qq UTF-8 .
For other values of
.Fa item ,
the strings that
.St -p1003.1-2008
specifies for the C locale are returned.
.Pp
If
.Fa item
is invalid, a pointer to an empty string is returned.
.Sh SEE ALSO
.Xr setlocale 3 ,
.Xr uselocale 3
.Sh STANDARDS
These functions conform to
.St -p1003.1-2008 .
.Sh HISTORY
The function
.Fn nl_langinfo
has been available since
.Nx 1.0 ,
and
.Fn nl_langinfo_l
since
.Ox 6.2 .
.Sh BUGS
The return values for
.Dv CODESET
are not standardized and vary among implementations.