UNIT
#undef UNIT
#define UNIT %r5
#undef UNIT
#define UNIT %r5
#define UNIT(x) ((minor((x)) < 16) ? minor((x)) : ((minor((x)) - 16) / 2))
# define UNIT(x) ((x) << 24)
typedef u_short UNIT; /* unit of profiling */
enum { NUMBER, UNIT } state = NUMBER;