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