WCSLEN(3) Linux Programmers Manual WCSLEN(3)
wcslen - determine the length of a wide-character string
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, not including the terminating L'\0' character.
The wcslen() function returns the number of wide characters in s.
This page is part of release 3.05 of the Linux man-pages project. A
description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
GNU 1999-07-25 WCSLEN(3)