1.\" $OpenBSD: wmemchr.3,v 1.10 2013/06/05 03:39:23 tedu Exp $ 2.\" 3.\" Copyright (c) 1990, 1991 The Regents of the University of California. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" Chris Torek and the American National Standards Committee X3, 8.\" on Information Processing Systems. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.Dd $Mdocdate: June 5 2013 $ 35.Dt WMEMCHR 3 36.Os 37.Sh NAME 38.Nm wmemchr 39.Nd locate wide character in wide string 40.Sh SYNOPSIS 41.In wchar.h 42.Ft wchar_t * 43.Fn wmemchr "const wchar_t *b" "wchar_t c" "size_t len" 44.Sh DESCRIPTION 45The 46.Fn wmemchr 47function locates the first occurrence of 48.Fa c 49in wide string 50.Fa b . 51.Sh RETURN VALUES 52The 53.Fn wmemchr 54function returns a pointer to the wide character located, or 55.Dv NULL 56if no such wide character exists within 57.Fa len 58wide characters. 59.Sh SEE ALSO 60.Xr memchr 3 , 61.Xr wcschr 3 , 62.Xr wcscspn 3 , 63.Xr wcspbrk 3 , 64.Xr wcsrchr 3 , 65.Xr wcsspn 3 , 66.Xr wcsstr 3 , 67.Xr wcstok 3 68.Sh STANDARDS 69The 70.Fn wmemchr 71function conforms to 72.St -isoC-99 73and was first introduced in 74.St -isoC-amd1 . 75.Sh HISTORY 76The 77.Fn wmemchr 78function was ported from 79.Nx 80and first appeared in 81.Ox 3.8 . 82