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1.\" $NetBSD: wmemchr.3,v 1.9 2003/09/08 17:54:33 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
106The 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.