#ifdef HAS_SETLINEBUF
#define PerlIO_setlinebuf(f) setlinebuf(f);
#else
-# ifdef CYGWIN
-# define PerlIO_setlinebuf(f)
-# else
-# define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _IOLBF, 0);
-# endif
+#define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _IOLBF, 0);
#endif
/* Now our interface to Configure's FILE_xxx macros */