#endif
/* Include the correct machine specific file */
-#if defined(__APPLE2__) && !defined(_APPLE2_H)
+#if defined(__APPLE2__)
# include <apple2.h>
-#elif defined(__APPLE2ENH__) && !defined(_APPLE2ENH_H)
+#elif defined(__APPLE2ENH__)
# include <apple2enh.h>
-#elif defined(__ATARI__) && !defined(_ATARI_H)
+#elif defined(__ATARI__)
# include <atari.h>
-#elif defined(__ATMOS__) && !defined(_ATMOS_H)
+#elif defined(__ATMOS__)
# include <atmos.h>
-#elif defined(__CBM__) && !defined(_CBM_H)
+#elif defined(__CBM__)
# include <cbm.h>
-#elif defined(__NES__) && !defined(_NES_H)
+#elif defined(__NES__)
# include <nes.h>
#else
# error "Unknown platform in conio.h"