1.\" 2.\" Copyright (c) 2004 Tim J. Robbins 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.Dd July 21, 2005 27.Dt NEXTWCTYPE 3 28.Os 29.Sh NAME 30.Nm nextwctype 31.Nd "iterate through character classes" 32.Sh LIBRARY 33.Lb libc 34.Sh SYNOPSIS 35.In wctype.h 36.Ft wint_t 37.Fn nextwctype "wint_t ch" "wctype_t wct" 38.Sh DESCRIPTION 39The 40.Fn nextwctype 41function determines the next character after 42.Fa ch 43that is a member of character class 44.Fa wct . 45If 46.Fa ch 47is \-1, the search begins at the first member of 48.Fa wct . 49.Sh RETURN VALUES 50The 51.Fn nextwctype 52function returns the next character, or \-1 if there are no more. 53.Sh COMPATIBILITY 54This function is a non-standard 55.Fx 56extension and should not be used where the standard 57.Fn iswctype 58function would suffice. 59.Sh SEE ALSO 60.Xr wctype 3 61.Sh HISTORY 62The 63.Fn nextwctype 64function appeared in 65.Fx 5.4 . 66