1.\" $NetBSD: wmemchr.3,v 1.4 2001/01/02 11:26:23 itojun Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. 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.\" 4. 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.\" from: @(#)strcpy.3 8.1 (Berkeley) 6/4/93 35.\" 36.\" $FreeBSD$ 37.\" 38.Dd February 28, 2009 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 wcscasecmp , 48.Nm wcscat , 49.Nm wcschr , 50.Nm wcscmp , 51.Nm wcscpy , 52.Nm wcscspn , 53.Nm wcsdup , 54.Nm wcslcat , 55.Nm wcslcpy , 56.Nm wcslen , 57.Nm wcsncasecmp , 58.Nm wcsncat , 59.Nm wcsncmp , 60.Nm wcsncpy , 61.Nm wcsnlen , 62.Nm wcspbrk , 63.Nm wcsrchr , 64.Nm wcsspn , 65.Nm wcsstr 66.Nd wide character string manipulation operations 67.Sh LIBRARY 68.Lb libc 69.Sh SYNOPSIS 70.In wchar.h 71.Ft wchar_t * 72.Fn wmemchr "const wchar_t *s" "wchar_t c" "size_t n" 73.Ft int 74.Fn wmemcmp "const wchar_t *s1" "const wchar_t *s2" "size_t n" 75.Ft wchar_t * 76.Fn wmemcpy "wchar_t * restrict s1" "const wchar_t * restrict s2" "size_t n" 77.Ft wchar_t * 78.Fn wmemmove "wchar_t *s1" "const wchar_t *s2" "size_t n" 79.Ft wchar_t * 80.Fn wmemset "wchar_t *s" "wchar_t c" "size_t n" 81.Ft int 82.Fn wcscasecmp "const wchar_t *s1" "const wchar_t *s2" 83.Ft wchar_t * 84.Fn wcscat "wchar_t * restrict s1" "const wchar_t * restrict s2" 85.Ft wchar_t * 86.Fn wcschr "const wchar_t *s" "wchar_t c" 87.Ft int 88.Fn wcscmp "const wchar_t *s1" "const wchar_t *s2" 89.Ft wchar_t * 90.Fn wcscpy "wchar_t * restrict s1" "const wchar_t * restrict s2" 91.Ft size_t 92.Fn wcscspn "const wchar_t *s1" "const wchar_t *s2" 93.Ft wchar_t * 94.Fn wcsdup "const wchar_t *s" 95.Ft size_t 96.Fn wcslcat "wchar_t *s1" "const wchar_t *s2" "size_t n" 97.Ft size_t 98.Fn wcslcpy "wchar_t *s1" "const wchar_t *s2" "size_t n" 99.Ft size_t 100.Fn wcslen "const wchar_t *s" 101.Ft int 102.Fn wcsncasecmp "const wchar_t *s1" "const wchar_t *s2" "size_t n" 103.Ft wchar_t * 104.Fn wcsncat "wchar_t * restrict s1" "const wchar_t * restrict s2" "size_t n" 105.Ft int 106.Fn wcsncmp "const wchar_t *s1" "const wchar_t * s2" "size_t n" 107.Ft wchar_t * 108.Fn wcsncpy "wchar_t * restrict s1" "const wchar_t * restrict s2" "size_t n" 109.Ft size_t 110.Fn wcsnlen "const wchar_t *s" "size_t maxlen" 111.Ft wchar_t * 112.Fn wcspbrk "const wchar_t *s1" "const wchar_t *s2" 113.Ft wchar_t * 114.Fn wcsrchr "const wchar_t *s" "wchar_t c" 115.Ft size_t 116.Fn wcsspn "const wchar_t *s1" "const wchar_t *s2" 117.Ft wchar_t * 118.Fn wcsstr "const wchar_t * restrict s1" "const wchar_t * restrict s2" 119.Sh DESCRIPTION 120The functions implement string manipulation operations over wide character 121strings. 122For a detailed description, refer to documents for the respective single-byte 123counterpart, such as 124.Xr memchr 3 . 125.Sh SEE ALSO 126.Xr memchr 3 , 127.Xr memcmp 3 , 128.Xr memcpy 3 , 129.Xr memmove 3 , 130.Xr memset 3 , 131.Xr strcasecmp 3 , 132.Xr strcat 3 , 133.Xr strchr 3 , 134.Xr strcmp 3 , 135.Xr strcpy 3 , 136.Xr strcspn 3 , 137.Xr strdup 3 , 138.Xr strlcat 3 , 139.Xr strlcpy 3 , 140.Xr strlen 3 , 141.Xr strncat 3 , 142.Xr strncmp 3 , 143.Xr strncpy 3 , 144.Xr strnlen 3 , 145.Xr strpbrk 3 , 146.Xr strrchr 3 , 147.Xr strspn 3 , 148.Xr strstr 3 149.Sh STANDARDS 150These functions conform to 151.St -isoC-99 , 152with the exception of 153.Fn wcscasecmp , 154.Fn wcsdup , 155.Fn wcsncasecmp , 156and 157.Fn wcsnlen , 158which conform to 159.St -p1003.1-2008 ; 160and 161.Fn wcslcat 162and 163.Fn wcslcpy , 164which are extensions. 165