.\" $OpenBSD: wctob.3,v 1.2 2005/05/12 07:53:35 jmc Exp $
.\" $NetBSD: wctob.3,v 1.3 2003/04/16 13:34:41 wiz Exp $
.\"
.\" Copyright (c)2003 Citrus Project,
.\" All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
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.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.Dd March 3, 2003
.Dt WCTOB 3
.Os
.\" ----------------------------------------------------------------------
.Sh NAME
.Nm wctob
.Nd convert a wide character to a single byte character
.\" ----------------------------------------------------------------------
.Sh SYNOPSIS
.In wchar.h
.Ft int
.Fn wctob "wint_t wc"
.\" ----------------------------------------------------------------------
.Sh DESCRIPTION
The
.Fn wctob
function converts a wide character
.Fa wc
to a corresponding single byte character in the initial shift state of
the current locale.
.Pp
The behaviour of the
.Fn wctob
is affected by the
.Dv LC_CTYPE
category of the current locale.
.\" ----------------------------------------------------------------------
.Sh RETURN VALUES
The
.Fn wctob
function returns:
.Bl -tag -width 012345678901
.It Dv EOF
if
.Fa wc
is
.Dv WEOF
or if
.Fa wc
does not correspond to a valid single byte character representation.
.It (otherwise)
a single byte character corresponding to
.Fa wc .
.El
.\" ----------------------------------------------------------------------
.Sh ERRORS
No errors are defined.
.\" ----------------------------------------------------------------------
.Sh SEE ALSO
.Xr btowc 3 ,
.Xr setlocale 3 ,
.Xr wcrtomb 3
.\" ----------------------------------------------------------------------
.Sh STANDARDS
The
.Fn wctob
function conforms to
.St -isoC-amd1 .