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: src/lib/libc/string/wmemchr.3,v 1.8 2007/01/09 00:28:12 imp Exp $ 37.\" $DragonFly: src/lib/libc/string/wmemchr.3,v 1.2 2003/06/17 04:26:47 dillon Exp $ 38.\" 39.Dd August 13, 2005 40.Dt WMEMCHR 3 41.Os 42.Sh NAME 43.Nm wmemchr , 44.Nm wmemcmp , 45.Nm wmemcpy , 46.Nm wmemmove , 47.Nm wmemset , 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 wcsncat , 58.Nm wcsncmp , 59.Nm wcsncpy , 60.Nm wcspbrk , 61.Nm wcsrchr , 62.Nm wcsspn , 63.Nm wcsstr 64.Nd wide character string manipulation operations 65.Sh LIBRARY 66.Lb libc 67.Sh SYNOPSIS 68.In wchar.h 69.Ft wchar_t * 70.Fn wmemchr "const wchar_t *s" "wchar_t c" "size_t n" 71.Ft int 72.Fn wmemcmp "const wchar_t *s1" "const wchar_t *s2" "size_t n" 73.Ft wchar_t * 74.Fn wmemcpy "wchar_t * restrict s1" "const wchar_t * restrict s2" "size_t n" 75.Ft wchar_t * 76.Fn wmemmove "wchar_t *s1" "const wchar_t *s2" "size_t n" 77.Ft wchar_t * 78.Fn wmemset "wchar_t *s" "wchar_t c" "size_t n" 79.Ft wchar_t * 80.Fn wcscat "wchar_t * restrict s1" "const wchar_t * restrict s2" 81.Ft wchar_t * 82.Fn wcschr "const wchar_t *s" "wchar_t c" 83.Ft int 84.Fn wcscmp "const wchar_t *s1" "const wchar_t *s2" 85.Ft wchar_t * 86.Fn wcscpy "wchar_t * restrict s1" "const wchar_t * restrict s2" 87.Ft size_t 88.Fn wcscspn "const wchar_t *s1" "const wchar_t *s2" 89.Ft wchar_t * 90.Fn wcsdup "const wchar_t *s" 91.Ft size_t 92.Fn wcslcat "wchar_t *s1" "const wchar_t *s2" "size_t n" 93.Ft size_t 94.Fn wcslcpy "wchar_t *s1" "const wchar_t *s2" "size_t n" 95.Ft size_t 96.Fn wcslen "const wchar_t *s" 97.Ft wchar_t * 98.Fn wcsncat "wchar_t * restrict s1" "const wchar_t * restrict s2" "size_t n" 99.Ft int 100.Fn wcsncmp "const wchar_t *s1" "const wchar_t * s2" "size_t n" 101.Ft wchar_t * 102.Fn wcsncpy "wchar_t * restrict s1" "const wchar_t * restrict s2" "size_t n" 103.Ft wchar_t * 104.Fn wcspbrk "const wchar_t *s1" "const wchar_t *s2" 105.Ft wchar_t * 106.Fn wcsrchr "const wchar_t *s" "wchar_t c" 107.Ft size_t 108.Fn wcsspn "const wchar_t *s1" "const wchar_t *s2" 109.Ft wchar_t * 110.Fn wcsstr "const wchar_t * restrict s1" "const wchar_t * restrict s2" 111.Sh DESCRIPTION 112The functions implement string manipulation operations over wide character 113strings. 114For a detailed description, refer to documents for the respective single-byte 115counterpart, such as 116.Xr memchr 3 . 117.Sh SEE ALSO 118.Xr memchr 3 , 119.Xr memcmp 3 , 120.Xr memcpy 3 , 121.Xr memmove 3 , 122.Xr memset 3 , 123.Xr strcat 3 , 124.Xr strchr 3 , 125.Xr strcmp 3 , 126.Xr strcpy 3 , 127.Xr strcspn 3 , 128.Xr strdup 3 , 129.Xr strlcat 3 , 130.Xr strlcpy 3 , 131.Xr strlen 3 , 132.Xr strncat 3 , 133.Xr strncmp 3 , 134.Xr strncpy 3 , 135.Xr strpbrk 3 , 136.Xr strrchr 3 , 137.Xr strspn 3 , 138.Xr strstr 3 139.Sh STANDARDS 140These functions conform to 141.St -isoC-99 , 142with the exception of 143.Fn wcsdup , 144.Fn wcslcat , 145and 146.Fn wcslcpy , 147which are extensions. 148