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+.\" $OpenBSD: wcwidth.3,v 1.2 2016/09/02 15:03:23 schwarze Exp $
+.\" Copyright (c) 2002 Tim J. Robbins
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    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
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"
+.Dd $Mdocdate: September 2 2016 $
+.Dt WCWIDTH 3
+.Os
+.Sh NAME
+.Nm wcwidth
+.Nd number of column positions of a wide-character code
+.Sh SYNOPSIS
+.In wchar.h
+.Ft int
+.Fn wcwidth "wchar_t wc"
+.Sh DESCRIPTION
+The
+.Fn wcwidth
+function determines the number of column positions required to
+display the wide character
+.Fa wc .
+.Sh RETURN VALUES
+The
+.Fn wcwidth
+function returns 0 if the
+.Fa wc
+argument is the NUL wide character (L'\e0'), \-1 if
+.Fa wc
+is not printable, or otherwise it returns the number of column
+positions the character occupies, which may be 0, 1, or 2.
+.Sh SEE ALSO
+.Xr iswprint 3 ,
+.Xr wcswidth 3
+.Sh STANDARDS
+The
+.Fn wcwidth
+function conforms to
+.St -p1003.1-2001 .