1.\" $OpenBSD: wmemchr.3,v 1.3 2007/05/31 19:19:32 jmc Exp $ 2.\" 3.\" $NetBSD: wmemchr.3,v 1.9 2003/09/08 17:54:33 wiz Exp $ 4.\" 5.\" Copyright (c) 1990, 1991, 1993 6.\" The Regents of the University of California. All rights reserved. 7.\" 8.\" This code is derived from software contributed to Berkeley by 9.\" Chris Torek and the American National Standards Committee X3, 10.\" on Information Processing Systems. 11.\" 12.\" Redistribution and use in source and binary forms, with or without 13.\" modification, are permitted provided that the following conditions 14.\" are met: 15.\" 1. Redistributions of source code must retain the above copyright 16.\" notice, this list of conditions and the following disclaimer. 17.\" 2. Redistributions in binary form must reproduce the above copyright 18.\" notice, this list of conditions and the following disclaimer in the 19.\" documentation and/or other materials provided with the distribution. 20.\" 3. Neither the name of the University nor the names of its contributors 21.\" may be used to endorse or promote products derived from this software 22.\" without specific prior written permission. 23.\" 24.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" from: @(#)strcpy.3 8.1 (Berkeley) 6/4/93 37.\" 38.Dd $Mdocdate: May 31 2007 $ 39.Dt WMEMCHR 3 40.Os 41.Sh NAME 42.Nm wmemchr , 43.Nm wmemcmp , 44.Nm wmemcpy , 45.Nm wmemmove , 46.Nm wmemset , 47.Nm wcscat , 48.Nm wcschr , 49.Nm wcscmp , 50.Nm wcscpy , 51.Nm wcscspn , 52.Nm wcslcat , 53.Nm wcslcpy , 54.Nm wcslen , 55.Nm wcsncat , 56.Nm wcsncmp , 57.Nm wcsncpy , 58.Nm wcspbrk , 59.Nm wcsrchr , 60.Nm wcsspn , 61.Nm wcsstr 62.Nd wide character string manipulation operations 63.Sh SYNOPSIS 64.In wchar.h 65.Ft wchar_t * 66.Fn wmemchr "const wchar_t *s" "wchar_t c" "size_t n" 67.Ft int 68.Fn wmemcmp "const wchar_t *s1" "const wchar_t *s2" "size_t n" 69.Ft wchar_t * 70.Fn wmemcpy "wchar_t * restrict s1" "const wchar_t * restrict s2" "size_t n" 71.Ft wchar_t * 72.Fn wmemmove "wchar_t *s1" "const wchar_t *s2" "size_t n" 73.Ft wchar_t * 74.Fn wmemset "wchar_t *s" "wchar_t c" "size_t n" 75.Ft wchar_t * 76.Fn wcscat "wchar_t * restrict s1" "const wchar_t * restrict s2" 77.Ft wchar_t * 78.Fn wcschr "const wchar_t *s" "wchar_t c" 79.Ft int 80.Fn wcscmp "const wchar_t *s1" "const wchar_t *s2" 81.Ft wchar_t * 82.Fn wcscpy "wchar_t * restrict s1" "const wchar_t * restrict s2" 83.Ft size_t 84.Fn wcscspn "const wchar_t *s1" "const wchar_t *s2" 85.Ft size_t 86.Fn wcslcat "wchar_t *s1" "const wchar_t *s2" "size_t n" 87.Ft size_t 88.Fn wcslcpy "wchar_t *s1" "const wchar_t *s2" "size_t n" 89.Ft size_t 90.Fn wcslen "const wchar_t *s" 91.Ft wchar_t * 92.Fn wcsncat "wchar_t * restrict s1" "const wchar_t * restrict s2" "size_t n" 93.Ft int 94.Fn wcsncmp "const wchar_t *s1" "const wchar_t * s2" "size_t n" 95.Ft wchar_t * 96.Fn wcsncpy "wchar_t * restrict s1" "const wchar_t * restrict s2" "size_t n" 97.Ft wchar_t * 98.Fn wcspbrk "const wchar_t *s1" "const wchar_t *s2" 99.Ft wchar_t * 100.Fn wcsrchr "const wchar_t *s" "wchar_t c" 101.Ft size_t 102.Fn wcsspn "const wchar_t *s1" "const wchar_t *s2" 103.Ft wchar_t * 104.Fn wcsstr "const wchar_t *s1" "const wchar_t *s2" 105.Sh DESCRIPTION 106These functions implement string manipulation operations over wide character 107strings. 108For a detailed description, refer to documents for the respective single-byte 109counterpart, such as 110.Xr memchr 3 . 111.Sh SEE ALSO 112.Xr memchr 3 , 113.Xr memcmp 3 , 114.Xr memcpy 3 , 115.Xr memmove 3 , 116.Xr memset 3 , 117.Xr strcat 3 , 118.Xr strchr 3 , 119.Xr strcmp 3 , 120.Xr strcpy 3 , 121.Xr strcspn 3 , 122.Xr strlcat 3 , 123.Xr strlcpy 3 , 124.Xr strlen 3 , 125.Xr strncat 3 , 126.Xr strncmp 3 , 127.Xr strncpy 3 , 128.Xr strpbrk 3 , 129.Xr strrchr 3 , 130.Xr strspn 3 , 131.Xr strstr 3 132.Sh STANDARDS 133These functions conform to 134.St -isoC-99 135and were first introduced in 136.St -isoC-amd1 , 137with the exception of 138.Fn wcslcat 139and 140.Fn wcslcpy , 141which are extensions. 142