extern IV PerlIOBase_eof (PerlIO *f);
extern IV PerlIOBase_error (PerlIO *f);
extern void PerlIOBase_clearerr (PerlIO *f);
-extern IV PerlIOBase_flush (PerlIO *f);
-extern IV PerlIOBase_fill (PerlIO *f);
extern IV PerlIOBase_close (PerlIO *f);
extern void PerlIOBase_setlinebuf(PerlIO *f);
extern void PerlIOBase_flush_linebuf(void);