xref: /original-bsd/lib/libc/string/strchr.3 (revision 612877e1)
1.\" Copyright (c) 1990, 1991, 1993
2.\"	The Regents of the University of California.  All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" Chris Torek and the American National Standards Committee X3,
6.\" on Information Processing Systems.
7.\"
8.\" %sccs.include.redist.man%
9.\"
10.\"     @(#)strchr.3	8.2 (Berkeley) 04/19/94
11.\"
12.Dd
13.Dt STRCHR 3
14.Os
15.Sh NAME
16.Nm strchr
17.Nd locate character in string
18.Sh SYNOPSIS
19.Fd #include <string.h>
20.Ft char *
21.Fn strchr "const char *s" "int c"
22.Sh DESCRIPTION
23The
24.Fn strchr
25function locates the first occurrence of
26.Ar c
27in the string pointed to by
28.Ar s .
29The terminating
30.Dv NULL
31character is considered part of the string.
32If
33.Fa c
34is
35.Ql \e0 ,
36.Fn strchr
37locates the terminating
38.Ql \e0 .
39.Sh RETURN VALUES
40The function
41.Fn strchr
42returns a pointer to the located character, or
43.Dv NULL
44if the character does not appear in the string.
45.Sh SEE ALSO
46.Xr index 3 ,
47.Xr memchr 3 ,
48.Xr rindex 3 ,
49.Xr strcspn 3 ,
50.Xr strpbrk 3 ,
51.Xr strrchr 3 ,
52.Xr strsep 3 ,
53.Xr strspn 3 ,
54.Xr strstr 3 ,
55.Xr strtok 3
56.Sh STANDARDS
57The
58.Fn strchr
59function
60conforms to
61.St -ansiC .
62