1.\" $NetBSD: wmemchr.3,v 1.10 2004/01/24 16:59:30 wiz 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.\" 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.\" from: @(#)strcpy.3 8.1 (Berkeley) 6/4/93 35.\" 36.Dd December 22, 2000 37.Dt WMEMCHR 3 38.Os 39.Sh NAME 40.Nm wmemchr , 41.Nm wmemcmp , 42.Nm wmemcpy , 43.Nm wmemmove , 44.Nm wmemset , 45.Nm wcscat , 46.Nm wcschr , 47.Nm wcscmp , 48.Nm wcscpy , 49.Nm wcscspn , 50.Nm wcslcat , 51.Nm wcslcpy , 52.Nm wcslen , 53.Nm wcsncat , 54.Nm wcsncmp , 55.Nm wcsncpy , 56.Nm wcspbrk , 57.Nm wcsrchr , 58.Nm wcsspn , 59.Nm wcsstr 60.Nd wide character string manipulation operations 61.Sh LIBRARY 62.Lb libc 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 the documents for the respective 109single-byte counterpart, 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