mbsrtowcs
extern size_t mbsrtowcs(wchar_t *dest, const char **src, size_t destLength,
ins_len = mbsrtowcs(NULL, (const char **)&s, 0, &mbstate);
if ((flags & VIS_NOLOCALE) || mbsrtowcs(dst, &src, len, &mbstate) == (size_t)-1) {
extern size_t mbsrtowcs (wchar_t *__restrict __dst,
B_DEFINE_WEAK_ALIAS(__mbsrtowcs, mbsrtowcs);
ret = mbsrtowcs(NULL, &src, 0, &state);
ret = mbsrtowcs(NULL, &src, 1, &state);
ret = mbsrtowcs(&wc, &src, 0, &state);
ret = mbsrtowcs(&wc, &src, 1, &state);
ret = mbsrtowcs(NULL, &src, unlimited ? BUFSIZE : 1,
ret = mbsrtowcs(buf, &src, unlimited ? BUFSIZE : 1, &state);
ret = mbsrtowcs(NULL, &src, unlimited ? BUFSIZE : 2,
ret = mbsrtowcs(buf, &src, unlimited ? BUFSIZE : 2, &state);
ret = mbsrtowcs(buf, &src, BUFSIZE, &state);
ret = mbsrtowcs(NULL, &src, unlimited ? BUFSIZE : 2,
ret = mbsrtowcs(buf, &src, unlimited ? BUFSIZE : 2, &state);
ret = mbsrtowcs(NULL, &src, unlimited ? BUFSIZE : 2,
ret = mbsrtowcs(buf, &src, unlimited ? BUFSIZE : 2, &state);
ret = mbsrtowcs(NULL, &src, BUFSIZE, &temp_state);
ret = mbsrtowcs(buf, &src, BUFSIZE, &state);
ret = mbsrtowcs(buf, &src, BUFSIZE, &state);