wcsnlen.c raw

   1  #include <wchar.h>
   2  
   3  size_t wcsnlen(const wchar_t *s, size_t n)
   4  {
   5  	const wchar_t *z = wmemchr(s, 0, n);
   6  	if (z) n = z-s;
   7  	return n;
   8  }
   9