1.\" $NetBSD: putwc.3,v 1.9 2010/12/16 17:42:27 wiz Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" Chris Torek and the American National Standards Committee X3, 8.\" on Information Processing Systems. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)putc.3 8.1 (Berkeley) 6/4/93 35.\" 36.Dd October 20, 2001 37.Dt PUTWC 3 38.Os 39.Sh NAME 40.Nm fputwc , 41.Nm putwc , 42.Nm putwchar , 43.Nd output a wide character to a stream 44.Sh LIBRARY 45.Lb libc 46.Sh SYNOPSIS 47.In stdio.h 48.In wchar.h 49.Ft wint_t 50.Fn fputwc "wchar_t wc" "FILE *stream" 51.Ft wint_t 52.Fn putwc "wchar_t wc" "FILE *stream" 53.Ft wint_t 54.Fn putwchar "wchar_t wc" 55.Sh DESCRIPTION 56The 57.Fn fputwc 58function 59writes the wide character 60.Fa wc 61to the output stream pointed to by 62.Fa stream . 63.Pp 64.Fn putwc 65acts essentially identically to 66.Fn fputwc , 67but is a macro that expands in-line. 68It may evaluate 69.Fa stream 70more than once, so arguments given to 71.Fn putwc 72should not be expressions with potential side effects. 73.Pp 74.Fn putwchar 75is identical to 76.Fn putwc 77with an output stream of 78.Em stdout . 79.Sh RETURN VALUES 80The functions 81.Fn fputwc , 82.Fn putwc , 83and 84.Fn putwchar 85return the wide character written. 86If an error occurs, the value 87.Dv WEOF 88is returned. 89.Sh SEE ALSO 90.Xr ferror 3 , 91.Xr fopen 3 , 92.Xr getwc 3 , 93.Xr stdio 3 94.Sh STANDARDS 95The functions 96.Fn fputwc , 97.Fn putwc , 98and 99.Fn putwchar , 100conform to 101.St -isoC-99 . 102