extern PerlIO_funcs PerlIO_perlio;
extern PerlIO_funcs PerlIO_stdio;
extern PerlIO_funcs PerlIO_crlf;
+/* The EXT is need for Cygwin -- but why only for _pending? --jhi */
+EXT PerlIO_funcs PerlIO_pending;
#ifdef HAS_MMAP
extern PerlIO_funcs PerlIO_mmap;
#endif