88 lines
2.8 KiB
Groff
88 lines
2.8 KiB
Groff
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.\" $NetBSD: wctob.3,v 1.4 2004/01/24 16:58:54 wiz Exp $
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.\"
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.\" Copyright (c)2003 Citrus Project,
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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 AUTHOR 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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.Dd March 3, 2003
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.Dt WCTOB 3
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.Os
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.\" ----------------------------------------------------------------------
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.Sh NAME
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.Nm wctob
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.Nd convert a wide character to a single byte character
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.\" ----------------------------------------------------------------------
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.Sh LIBRARY
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.Lb libc
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.\" ----------------------------------------------------------------------
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.Sh SYNOPSIS
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.In wchar.h
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.Ft int
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.Fn wctob "wint_t wc"
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.\" ----------------------------------------------------------------------
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.Sh DESCRIPTION
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The
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.Fn wctob
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function converts a wide character
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.Fa wc
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to a corresponding single byte character in the initial shift state of
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the current locale.
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.Pp
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The behaviour of
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.Fn wctob
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is affected by the
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.Dv LC_CTYPE
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category of the current locale.
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.\" ----------------------------------------------------------------------
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.Sh RETURN VALUES
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The
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.Fn wctob
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function returns:
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.Bl -tag -width 012345678901
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.It Dv EOF
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If
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.Fa wc
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is
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.Dv WEOF
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or if
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.Fa wc
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does not correspond to a valid single byte character representation.
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.It (otherwise)
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A single byte character corresponding to
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.Fa wc .
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.El
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.\" ----------------------------------------------------------------------
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.Sh ERRORS
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No errors are defined.
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.\" ----------------------------------------------------------------------
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.Sh SEE ALSO
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.Xr btowc 3 ,
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.Xr setlocale 3 ,
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.Xr wcrtomb 3
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.\" ----------------------------------------------------------------------
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.Sh STANDARDS
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The
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.Fn wctob
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function conforms to
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.St -isoC-amd1 .
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