.\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
.\"
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.\" References consulted:
.\"   GNU glibc-2 source code and manual
.\"   Dinkumware C library reference http://www.dinkumware.com/
.\"   OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
.\"   ISO/IEC 9899:1999
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.TH WCSLEN 3  2015-08-08 "GNU" "Linux Programmer's Manual"
.SH NAME
wcslen \- determine the length of a wide-character string
.SH SYNOPSIS
.nf
.B #include <wchar.h>
.PP
.BI "size_t wcslen(const wchar_t *" s );
.fi
.SH DESCRIPTION
The
.BR wcslen ()
function is the wide-character equivalent
of the
.BR strlen (3)
function.
It determines the length of the wide-character string pointed to
by
.IR s ,
excluding the terminating null wide character (L\(aq\\0\(aq).
.SH RETURN VALUE
The
.BR wcslen ()
function returns the
number of wide characters in
.IR s .
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.TS
allbox;
lb lb lb
l l l.
Interface	Attribute	Value
T{
.BR wcslen ()
T}	Thread safety	MT-Safe
.TE
.SH CONFORMING TO
POSIX.1-2001, POSIX.1-2008, C99.
.SH SEE ALSO
.BR strlen (3)
.SH COLOPHON
This page is part of release 4.16 of the Linux
.I man-pages
project.
A description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
\%https://www.kernel.org/doc/man\-pages/.