_fgetwc_pr
w = _fgetwc_pr(q->f_f, &c);
f->f_nextc = _fgetwc_pr(f->f_f, &c);
wc = _fgetwc_pr(f, &c);
static wint_t _fgetwc_pr(FILE *, int *);
wc = _fgetwc_pr(Files->f_f, &c);