wcslen - get wide-character string length
#include <wchar.h>
size_t wcslen(const wchar_t *ws);
[CX] The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of IEEE Std 1003.1-2001 defers to the ISO C standard.The wcslen() function shall compute the number of wide-character codes in the wide-character string to which ws points, not including the terminating null wide-character code.
The wcslen() function shall return the length of ws; no return value is reserved to indicate an error.
No errors are defined.
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The Base Definitions volume of IEEE Std 1003.1-2001, <wchar.h>
First released in Issue 4. Derived from the MSE working draft.