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+'\" t
+.\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
+.\"
+.\" SPDX-License-Identifier: GPL-2.0-or-later
+.\"
+.\" 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
+.\"
+.TH wcslen 3 (date) "Linux man-pages (unreleased)"
+.SH NAME
+wcslen \- determine the length of a wide-character string
+.SH LIBRARY
+Standard C library
+.RI ( libc ", " \-lc )
+.SH SYNOPSIS
+.nf
+.B #include <wchar.h>
+.P
+.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]\e0\[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;
+lbx lb lb
+l l l.
+Interface	Attribute	Value
+T{
+.na
+.nh
+.BR wcslen ()
+T}	Thread safety	MT-Safe
+.TE
+.SH STANDARDS
+C11, POSIX.1-2008.
+.SH HISTORY
+POSIX.1-2001, C99.
+.SH NOTES
+In cases where the input buffer may not contain
+a terminating null wide character,
+.BR wcsnlen (3)
+should be used instead.
+.SH SEE ALSO
+.BR strlen (3)