-#define WORDSIZE(n) (((n) + BITS_PER_WORD - 1) / BITS_PER_WORD)
-#define SETBIT(x, i) ((x)[(i)/BITS_PER_WORD] |= (1<<((i) % BITS_PER_WORD)))
-#define RESETBIT(x, i) ((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD)))
-#define BITISSET(x, i) (((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0)
-
-
-/* Extensions to use for the output files. */
-
-#ifdef VMS
- /* VMS. */
-# define EXT_TAB "_tab"
-# define EXT_OUTPUT ".output"
-# define EXT_STYPE_H "_stype.h"
-# define EXT_GUARD_C "_guard.c"
-#else /* ! VMS */
-# ifdef MSDOS
- /* MS DOS. */
-# define EXT_TAB "_tab"
-# define EXT_OUTPUT ".out"
-# define EXT_STYPE_H ".sth"
-# define EXT_GUARD_C ".guc"
-# else /* ! MSDOS */
- /* Standard. */
-# define EXT_TAB ".tab"
-# define EXT_OUTPUT ".output"
-# define EXT_STYPE_H ".stype.h"
-# define EXT_GUARD_C ".guard.c"
-# endif /* ! MSDOS */
-#endif /* ! VMS */
-
-#if defined (VMS) & !defined (__VMS_POSIX)
-# ifndef BISON_SIMPLE
-# define BISON_SIMPLE "GNU_BISON:[000000]BISON.SIMPLE"
-# endif
-# ifndef BISON_HAIRY
-# define BISON_HARIRY "GNU_BISON:[000000]BISON.HAIRY"
-# endif