1.\" $NetBSD: iswctype.3,v 1.7 2007/05/21 15:20:40 tnozaki Exp $ 2.\" 3.\" Copyright (c)2003 Citrus Project, 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.Dd March 4, 2003 28.Dt ISWCTYPE 3 29.Os 30.\" ---------------------------------------------------------------------- 31.Sh NAME 32.Nm iswctype 33.Nd test a character for character class identifier 34.\" ---------------------------------------------------------------------- 35.Sh LIBRARY 36.Lb libc 37.\" ---------------------------------------------------------------------- 38.Sh SYNOPSIS 39.In wctype.h 40.Ft int 41.Fn iswctype "wint_t wc" "wctype_t charclass" 42.\" ---------------------------------------------------------------------- 43.Sh DESCRIPTION 44The 45.Fn iswctype 46function returns a boolean value that indicates whether a wide character 47.Fa wc 48is in 49.Fa charclass . 50.Pp 51The behaviour of 52.Fn iswctype 53is undefined if the 54.Fn iswctype 55function is called with an invalid 56.Fa charclass 57(changes of 58.Dv LC_CTYPE 59category invalidate 60.Fa charclass ) 61or invalid wide character 62.Fa wc . 63.Pp 64The behaviour of 65.Fn iswctype 66is affected by the 67.Dv LC_CTYPE 68category of the current locale. 69.\" ---------------------------------------------------------------------- 70.Sh RETURN VALUES 71The 72.Fn iswctype 73returns: 74.Bl -tag -width 012345678901 75.It 0 76.Fa wc 77is not in 78.Fa charclass . 79.It non-zero 80.Fa wc 81is in 82.Fa charclass . 83.El 84.Pp 85.\" ---------------------------------------------------------------------- 86.Sh ERRORS 87No errors are defined. 88.\" ---------------------------------------------------------------------- 89.Sh SEE ALSO 90.Xr setlocale 3 , 91.Xr towctrans 3 , 92.Xr wctrans 3 , 93.Xr wctype 3 94.\" ---------------------------------------------------------------------- 95.Sh STANDARDS 96The 97.Fn iswctype 98function conforms to 99.St -isoC-amd1 . 100