_wd_ungetwc
if (len > 0 && _wd_ungetwc(&dummy, wch, iop) == WEOF)
if (len > 0 && _wd_ungetwc(&dummy, wch, iop) == WEOF)
if (_wd_ungetwc(&chcount, inchar, iop) == WEOF)
if (_wd_ungetwc(&chcount, inchar, iop)
if (_wd_ungetwc(&chcount, inchar, iop) != WEOF) {
if (_wd_ungetwc(&chcount, inchar, iop) == WEOF)
static wint_t _wd_ungetwc(int *, wchar_t, FILE *);
if (len > 0 && _wd_ungetwc(chcount, wch, iop) == WEOF)