7e6cabd06e
Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
91 lines
3.0 KiB
Groff
91 lines
3.0 KiB
Groff
.\" Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
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.\" Copyright (c) 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" Donn Seeley of BSDI.
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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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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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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.\" From @(#)multibyte.3 8.1 (Berkeley) 6/4/93
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.\" From FreeBSD: src/lib/libc/locale/multibyte.3,v 1.22 2003/11/08 03:23:11 tjr Exp
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.\" $FreeBSD$
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.\"
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.Dd April 8, 2004
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.Dt WCSTOMBS 3
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.Os
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.Sh NAME
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.Nm wcstombs
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.Nd convert a wide-character string to a character string
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In stdlib.h
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.Ft size_t
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.Fo wcstombs
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.Fa "char * restrict mbstring" "const wchar_t * restrict wcstring"
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.Fa "size_t nbytes"
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.Fc
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.Sh DESCRIPTION
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The
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.Fn wcstombs
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function converts a wide character string
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.Fa wcstring
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into a multibyte character string,
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.Fa mbstring ,
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beginning in the initial conversion state.
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Up to
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.Fa nbytes
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bytes are stored in
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.Fa mbstring .
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Partial multibyte characters at the end of the string are not stored.
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The multibyte character string is null terminated if there is room.
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.Sh RETURN VALUES
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The
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.Fn wcstombs
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function returns the number of bytes converted
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(not including any terminating null), if successful, otherwise it returns
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.Po Vt size_t Pc Ns \-1 .
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.Sh ERRORS
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The
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.Fn wcstombs
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function will fail if:
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.Bl -tag -width Er
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.It Bq Er EILSEQ
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An invalid wide character was encountered.
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.It Bq Er EINVAL
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The conversion state is invalid.
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.El
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.Sh SEE ALSO
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.Xr mbstowcs 3 ,
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.Xr multibyte 3 ,
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.Xr wcsrtombs 3 ,
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.Xr wctomb 3
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.Sh STANDARDS
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The
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.Fn wcstombs
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function conforms to
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.St -isoC-99 .
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