wchar.h> (See libbsd(7) for include usage.)
wcslcat(wchar_t *s1, const wchar_t *s2, size_t n);
wcslcpy(wchar_t *s1, const wchar_t *s2, size_t n);
The functions implement string manipulation operations over wide character strings. For a detailed description, refer to documents for the respective single-byte counterpart, such as strlcpy(3bsd).
wcslcpy(), which are BSD extensions.
The man page wcslcat.3bsd(3) is an alias of wcslcpy.3bsd(3).