1.\" $OpenBSD: wctype.3,v 1.4 2017/09/05 03:16:13 schwarze Exp $ 2.\" $NetBSD: wctype.3,v 1.4 2003/04/16 13:34:41 wiz Exp $ 3.\" 4.\" Copyright (c) 2017 Ingo Schwarze <schwarze@openbsd.org> 5.\" Copyright (c) 2003 Citrus Project 6.\" All rights reserved. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27.\" SUCH DAMAGE. 28.\" 29.Dd $Mdocdate: September 5 2017 $ 30.Dt WCTYPE 3 31.Os 32.Sh NAME 33.Nm wctype , 34.Nm wctype_l 35.Nd get a character class identifier by name 36.Sh SYNOPSIS 37.In wctype.h 38.Ft wctype_t 39.Fn wctype "const char *charclass" 40.Ft wctype_t 41.Fn wctype_l "const char *charclass" "locale_t locale" 42.Sh DESCRIPTION 43These functions return a character class identifier 44corresponding to the locale-specific character class name 45.Fa charclass . 46This identifier can be used in subsequent calls of 47.Fn iswctype 48or 49.Fn iswctype_l , 50respectively. 51.Pp 52The following names are defined in all locales: 53.Bd -literal -offset indent 54alnum alpha blank cntrl digit graph 55lower print punct space upper xdigit 56.Ed 57.Pp 58The function 59.Fn wctype_l 60uses the specified 61.Fa locale , 62whereas 63.Fn wctype 64uses the thread-specific locale set with 65.Xr uselocale 3 , 66falling back to the global locale set with 67.Xr setlocale 3 . 68.Sh RETURN VALUES 69These functions return the character class identifier, or 70.Po Vt wctype_t Pc Ns 0 71if 72.Fa charclass 73does not correspond to a valid character class name. 74.Sh SEE ALSO 75.Xr iswctype 3 , 76.Xr newlocale 3 , 77.Xr setlocale 3 , 78.Xr wctrans 3 79.Sh STANDARDS 80The 81.Fn wctype 82function conforms to 83.St -isoC-amd1 , 84and 85.Fn wctype_l 86to 87.St -p1003.1-2008 . 88.Sh HISTORY 89The 90.Fn wctype 91function has been available since 92.Ox 3.8 , 93and 94.Fn wctype_l 95since 96.Ox 6.2 . 97