wcslen - determine the length of a wide-character string
Standard C library (libc, -lc)
libc
-lc
#include <wchar.h> size_t wcslen(const wchar_t *s);
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').
s
The wcslen() function returns the number of wide characters in s.
For an explanation of the terms used in this section, see attributes(7).
wcslen()
C11, POSIX.1-2008.
POSIX.1-2001, C99.
In cases where the input buffer may not contain a terminating null wide character, wcsnlen(3) should be used instead.
strlen(3)