wcslen
Section: C Library Functions (3)
Updated: 2023-02-05
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NAME
wcslen - determine the length of a wide-character string
LIBRARY
Standard C library
(libc, -lc)
SYNOPSIS
#include <wchar.h>
size_t wcslen(const wchar_t *s);
DESCRIPTION
The
wcslen()
function is the wide-character equivalent
of the
strlen(3)
function.
It determines the length of the wide-character string pointed to
by
s,
excluding the terminating null wide character (L'\0').
RETURN VALUE
The
wcslen()
function returns the
number of wide characters in
s.
ATTRIBUTES
For an explanation of the terms used in this section, see
attributes(7).
| Interface | Attribute | Value
|
|
wcslen()
| Thread safety | MT-Safe
|
STANDARDS
POSIX.1-2001, POSIX.1-2008, C99.
NOTES
In cases where the input buffer may not contain
a terminating null wide character,
wcsnlen(3)
should be used instead.
SEE ALSO
strlen(3)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ATTRIBUTES
-
- STANDARDS
-
- NOTES
-
- SEE ALSO
-
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