size_t len = m_strlen(*macro);
mbstate_t mbstate1, mbstate2;
- memset (&mbstate1, 0, sizeof (mbstate1));
- memset (&mbstate2, 0, sizeof (mbstate2));
+ p_clear(&mbstate1, 1);
+ p_clear(&mbstate2, 1);
for (; len && (k = mbrtowc (&wc, *macro, len, &mbstate1));
*macro += k, len -= k) {
if (k == (size_t) (-1) || k == (size_t) (-2)) {