wcslen(3) Library Functions Manual wcslen(3)
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 at-
tributes(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)
Linux man-pages 6.03 2023-02-05 wcslen(3)
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