#define PERLIO_K_DUMMY 0x00000010
#define PERLIO_K_UTF8 0x00008000
#define PERLIO_K_DESTRUCT 0x00010000
+#define PERLIO_K_MULTIARG 0x00020000
/*--------------------------------------------------------------------------------------*/
struct _PerlIO {
extern SV *PerlIO_arg_fetch(PerlIO_list_t *av, IV n);
#define PerlIOArg PerlIO_arg_fetch(layers,n)
-#if O_BINARY != O_TEXT
+#ifdef PERLIO_USING_CRLF
#define PERLIO_STDTEXT "t"
#else
#define PERLIO_STDTEXT ""