wcslen (3)

#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').

The wcslen() function returns the number of wide characters in s.

Multithreading (see pthreads(7))

The wcslen() function is thread-safe.

C99.

strlen(3)

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