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;
10 if (!dst) s = buf, n = sizeof buf;
13 while ( ws && n && ( (n2=wn)>=n || n2>32 ) ) {
16 l = wcsrtombs(s, &ws, n2, 0);
26 wn = ws ? wn - (ws - tmp_ws) : 0;
29 if (ws) while (n && wn) {
30 l = wcrtomb(s, *ws, 0);
37 /* safe - this loop runs fewer than sizeof(buf) times */