1.\" $NetBSD: wmemchr.3,v 1.5 2001/01/02 11:27:45 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.\" 3. All advertising materials mentioning features or use of this software 19.\" must display the following acknowledgement: 20.\" This product includes software developed by the University of 21.\" California, Berkeley and its contributors. 22.\" 4. Neither the name of the University nor the names of its contributors 23.\" may be used to endorse or promote products derived from this software 24.\" without specific prior written permission. 25.\" 26.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36.\" SUCH DAMAGE. 37.\" 38.\" from: @(#)strcpy.3 8.1 (Berkeley) 6/4/93 39.\" 40.Dd December 22, 2000 41.Dt WMEMCHR 3 42.Os 43.Sh NAME 44.Nm wmemchr , 45.Nm wmemcmp , 46.Nm wmemcpy , 47.Nm wmemmove , 48.Nm wmemset , 49.Nm wcscat , 50.Nm wcschr , 51.Nm wcscmp , 52.Nm wcscpy , 53.Nm wcscspn , 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.Fd #include <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 size_t 90.Fn wcslcat "wchar_t *s1" "const wchar_t *s2" "size_t n" 91.Ft size_t 92.Fn wcslcpy "wchar_t *s1" "const wchar_t *s2" "size_t n" 93.Ft size_t 94.Fn wcslen "const wchar_t *s" 95.Ft wchar_t * 96.Fn wcsncat "wchar_t * restrict s1" "const wchar_t * restrict s2" "size_t n" 97.Ft int 98.Fn wcsncmp "const wchar_t *s1" "const wchar_t * s2" "size_t n" 99.Ft wchar_t * 100.Fn wcsncpy "wchar_t * restrict s1" "const wchar_t * restrict s2" "size_t n" 101.Ft wchar_t * 102.Fn wcspbrk "const wchar_t *s1" "const wchar_t *s2" 103.Ft wchar_t * 104.Fn wcsrchr "const wchar_t *s" "wchar_t c" 105.Ft size_t 106.Fn wcsspn "const wchar_t *s1" "const wchar_t *s2" 107.Ft wchar_t * 108.Fn wcsstr "const wchar_t *s1" "const wchar_t *s2" 109.Sh DESCRIPTION 110The functions implement string manipulation operations over wide character 111strings. 112For a detailed description, refer to documents for the respective single-byte 113counterpart, such as 114.Xr memchr 3 . 115.Sh SEE ALSO 116.Xr memchr 3 , 117.Xr memcmp 3 , 118.Xr memcpy 3 , 119.Xr memmove 3 , 120.Xr memset 3 , 121.Xr strcat 3 , 122.Xr strchr 3 , 123.Xr strcmp 3 , 124.Xr strcpy 3 , 125.Xr strcspn 3 , 126.Xr strlcat 3 , 127.Xr strlcpy 3 , 128.Xr strlen 3 , 129.Xr strncat 3 , 130.Xr strncmp 3 , 131.Xr strncpy 3 , 132.Xr strpbrk 3 , 133.Xr strrchr 3 , 134.Xr strspn 3 , 135.Xr strstr 3 136.Sh STANDARDS 137These functions conform to 138.St -isoC99 139and were first introduced in 140.St -isoC-amd1 , 141with the exception of 142.Fn wcslcat 143and 144.Fn wcslcpy , 145which are extensions. 146