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5 .\" Chris Torek and the American National Standards Committee X3,
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36 .\" @(#)strlen.3 8.1 (Berkeley) 6/4/93
37 .\" $FreeBSD: src/lib/libc/string/strlen.3,v 1.6 2001/10/01 16:09:00 ru Exp $
38 .\"
39 .Dd June 4, 1993
40 .Dt STRLEN 3
41 .Os
42 .Sh NAME
43 .Nm strlen
44 .Nd find length of string
45 .Sh LIBRARY
46 .Lb libc
47 .Sh SYNOPSIS
48 .In string.h
49 .Ft size_t
50 .Fn strlen "const char *s"
51 .Sh DESCRIPTION
52 The
53 .Fn strlen
54 function
55 computes the length of the string
56 .Fa s .
57 .Sh RETURN VALUES
58 The
59 .Fn strlen
60 function
61 returns
62 the number of characters that precede the
63 terminating
64 .Dv NUL
65 character.
66 .Sh SEE ALSO
67 .Xr string 3
68 .Sh STANDARDS
69 The
70 .Fn strlen
71 function
72 conforms to
73 .St -isoC .