102 lines
2.9 KiB
Groff
102 lines
2.9 KiB
Groff
.\" $NetBSD: putwc.3,v 1.7 2003/09/08 17:54:32 wiz Exp $
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.\"
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.\" Copyright (c) 1990, 1991, 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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.\" Chris Torek and the American National Standards Committee X3,
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.\" on Information Processing Systems.
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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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.\" @(#)putc.3 8.1 (Berkeley) 6/4/93
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.\"
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.Dd October 20, 2001
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.Dt PUTWC 3
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.Os
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.Sh NAME
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.Nm fputwc ,
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.Nm putwc ,
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.Nm putwchar ,
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.Nd output a wide-character to a stream
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In stdio.h
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.In wchar.h
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.Ft wint_t
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.Fn fputwc "wchar_t wc" "FILE *stream"
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.Ft wint_t
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.Fn putwc "wchar_t wc" "FILE *stream"
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.Ft wint_t
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.Fn putwchar "wchar_t wc"
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.Sh DESCRIPTION
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The
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.Fn fputwc
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function
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writes the wide-character
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.Fa wc
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to the output stream pointed to by
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.Fa stream .
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.Pp
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.Fn putwc
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acts essentially identically to
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.Fn fputwc ,
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but is a macro that expands in-line.
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It may evaluate
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.Fa stream
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more than once, so arguments given to
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.Fn putwc
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should not be expressions with potential side effects.
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.Pp
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.Fn putwchar
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is identical to
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.Fn putwc
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with an output stream of
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.Em stdout .
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.Sh RETURN VALUES
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The functions,
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.Fn fputwc ,
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.Fn putwc
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and
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.Fn putwchar
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return the wide-character written.
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If an error occurs, the value
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.Dv WEOF
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is returned.
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.Sh SEE ALSO
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.Xr ferror 3 ,
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.Xr fopen 3 ,
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.Xr getwc 3 ,
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.Xr stdio 3
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.Sh STANDARDS
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The functions
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.Fn fputwc ,
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.Fn putwc ,
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and
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.Fn putwchar ,
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conform to
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.St -isoC-99 .
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