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1.\" $OpenBSD: strpbrk.3,v 1.11 2024/12/11 23:28:20 jsg Exp $
2.\"
3.\" Copyright (c) 1990, 1991 The Regents of the University of California.
4.\" 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.
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11.\" modification, are permitted provided that the following conditions
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15.\" 2. Redistributions in binary form must reproduce the above copyright
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19.\" may be used to endorse or promote products derived from this software
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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
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33.\"
34.Dd $Mdocdate: December 11 2024 $
35.Dt STRPBRK 3
36.Os
37.Sh NAME
38.Nm strpbrk
39.Nd locate multiple characters in string
40.Sh SYNOPSIS
41.In string.h
42.Ft char *
43.Fn strpbrk "const char *s" "const char *charset"
44.Sh DESCRIPTION
45The
46.Fn strpbrk
47function locates in the NUL-terminated string
48.Fa s
49the first occurrence of any character in the string
50.Fa charset
51and returns a pointer to this character.
52If no characters from
53.Fa charset
54occur anywhere in
55.Fa s ,
56.Fn strpbrk
57returns
58.Dv NULL .
59.Sh SEE ALSO
60.Xr memchr 3 ,
61.Xr strchr 3 ,
62.Xr strcspn 3 ,
63.Xr strrchr 3 ,
64.Xr strsep 3 ,
65.Xr strspn 3 ,
66.Xr strstr 3 ,
67.Xr strtok 3 ,
68.Xr wcspbrk 3
69.Sh STANDARDS
70The
71.Fn strpbrk
72function conforms to
73.St -ansiC .
74.Sh HISTORY
75The
76.Fn strpbrk
77function first appeared in
78.At III
79and was reimplemented for
80.Bx 4.3 .