a55e9cdf1a
added following manpages (derived from FreeBSD),
wcwidth(3) wcswidth(3)
wcstol(3) wcstoll(3) wcstoimax(3)
wcstoul(3) wcstoull(3) wcstoumax(3)
and update doc/TODO.i18n.
65 lines
2.2 KiB
Groff
65 lines
2.2 KiB
Groff
.\" $NetBSD: wcswidth.3,v 1.1 2006/06/03 04:36:45 tnozaki Exp $
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.\" FreeBSD: src/lib/libc/string/wcswidth.3,v 1.2 2002/12/09 14:04:05 ru Exp
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.\"
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.\" Copyright (c) 2002 Tim J. Robbins
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.\" All rights reserved.
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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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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.\"
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.Dd August 20, 2002
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.Dt WCSWIDTH 3
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.Os
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.Sh NAME
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.Nm wcswidth
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.Nd "number of column positions in wide-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 wchar.h
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.Ft int
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.Fn wcswidth "const wchar_t *pwcs" "size_t n"
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.Sh DESCRIPTION
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The
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.Fn wcswidth
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function determines the number of column positions required for the first
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.Fa n
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characters of
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.Fa pwcs ,
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or until a null wide character (L'\e0') is encountered.
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.Sh RETURN VALUES
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The
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.Fn wcswidth
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function returns 0 if
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.Fa pwcs
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is an empty string (L""),
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\-1 if a non-printing wide character is encountered,
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otherwise it returns the number of column positions occupied.
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.Sh SEE ALSO
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.Xr iswprint 3 ,
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.Xr wcwidth 3
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.Sh STANDARDS
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The
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.Fn wcswidth
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function conforms to
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.St -p1003.1-2001 .
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