634                     x = PerlIONext(x);  in PerlIO_destruct()
1663                         t = PerlIONext(t);  in PerlIORaw_pushed()
1773                 f = PerlIONext(f);  in PerlIO_binmode()
1813             f = PerlIONext(f);  in Perl_PerlIO_close()
1936                 l = *PerlIONext(&l);  in PerlIO_openn()
2348     return PerlIOValid(f) ? PerlIO_fileno(PerlIONext(f)) : -1;  in PerlIOBase_fileno()
2557         PerlIO *n = PerlIONext(f);  in PerlIOBase_close()
2572             n = PerlIONext(n);  in PerlIOBase_close()
2605         PerlIO * const n = PerlIONext(f);  in PerlIOBase_clearerr()
2644     PerlIO * const nexto = PerlIONext(o);  in PerlIOBase_dup()
3029     if (*PerlIONext(f)) {  in PerlIOUnix_pushed()
3031         PerlIO_flush(PerlIONext(f));  in PerlIOUnix_pushed()
3037         PerlIOUnix_setfd(aTHX_ f, PerlIO_fileno(PerlIONext(f)),  in PerlIOUnix_pushed()
3333     if (PerlIOValid(f) && PerlIOValid(n = PerlIONext(f))) {  in PerlIOStdio_pushed()
3347                 PerlIO_flush(PerlIONext(f));  in PerlIOStdio_pushed()
4182                 *PerlIONext(f) = l;  in PerlIO_exportFILE()
4204         l = *PerlIONext(&l);  in PerlIO_findFILE()
4241         p = PerlIONext(p);  in PerlIO_releaseFILE()
4259     if (*PerlIONext(f)) {  in PerlIOBuf_pushed()
4260         const Off_t posn = PerlIO_tell(PerlIONext(f));  in PerlIOBuf_pushed()
4274         PerlIO *next = PerlIONext(f);  in PerlIOBuf_open()
4359     PerlIO *n = PerlIONext(f);  in PerlIOBuf_flush()
4392                 b->posn = PerlIO_tell(n = PerlIONext(f));  in PerlIOBuf_flush()
4420     PerlIO *n = PerlIONext(f);  in PerlIOBuf_fill()
4611         code = PerlIO_seek(PerlIONext(f), offset, whence);  in PerlIOBuf_seek()
4614             b->posn = PerlIO_tell(PerlIONext(f));  in PerlIOBuf_seek()
4637         PerlIO_seek(PerlIONext(f),0, SEEK_END);  in PerlIOBuf_tell()
4639         posn = b->posn = PerlIO_tell(PerlIONext(f));  in PerlIOBuf_tell()
4847         (PerlIOBase(PerlIONext(f))->  in PerlIOPending_pushed()
4931     PerlIO *g = PerlIONext(f);  in S_inherit_utf8_flag()
4955          PerlIO *g = PerlIONext(f);  in PerlIOCrlf_pushed()