#ifndef SUN
# include <stddef.h>
#else
# include <sys/stdtypes.h>
#endif

#if ! defined( TOS) && ! defined( MSDOS) && ! defined( UNIX) && ! defined( AMIGA)
# define UNKNOWN
#endif

#if ! defined( MOTOROLA) && ! defined( INTEL)
# define MOTOROLA
#endif

#ifdef TOS
# undef  TOS
# define TOS         1
# define OS          TOS
#endif
#ifdef MSDOS
# undef  MSDOS
# define MSDOS       2
# define OS          MSDOS
#endif
#ifdef UNIX
# undef  UNIX
# define UNIX        3
# define OS          UNIX
#endif
#ifdef AMIGA
# undef  AMIGA
# define AMIGA       3
# define OS          AMIGA
#endif
#ifdef UNKNOWN
# undef  UNKNOWN
# define UNKNOWN     4
# define OS          UNKNOWN
#endif


#ifdef MOTOROLA
# undef  MOTOROLA
# define MOTOROLA    1
# define MACHINERY   MOTOROLA
#endif
#ifdef INTEL
# undef  INTEL
# define INTEL       2
# define MACHINERY   INTEL
#endif