3 size_t wcsnrtombs(char *restrict dst, const wchar_t **restrict wcs, size_t wn, size_t n, mbstate_t *restrict st)
7 const wchar_t *ws = *wcs;
9 if (!dst) s = buf, n = sizeof buf;
12 while ( ws && n && ( (n2=wn)>=n || n2>32 ) ) {
15 l = wcsrtombs(s, &ws, n2, 0);
27 if (ws) while (n && wn) {
28 l = wcrtomb(s, *ws, 0);
35 /* safe - this loop runs fewer than sizeof(buf) times */