extern long randrange(long);
extern long score(enum termination);
extern void terminate(enum termination) __attribute__((noreturn));
extern long randrange(long);
extern long score(enum termination);
extern void terminate(enum termination) __attribute__((noreturn));
#define PCT(N) (randrange(100) < (N))
#define GSTONE(OBJ) ((OBJ) == EMERALD || (OBJ) == RUBY || (OBJ) == AMBER || (OBJ) == SAPPH)
#define FOREST(LOC) CNDBIT(LOC, COND_FOREST)
#define PCT(N) (randrange(100) < (N))
#define GSTONE(OBJ) ((OBJ) == EMERALD || (OBJ) == RUBY || (OBJ) == AMBER || (OBJ) == SAPPH)
#define FOREST(LOC) CNDBIT(LOC, COND_FOREST)
#define SPECIAL(LOC) ((LOC) > SPECIALBASE)
#define OUTSID(LOC) (CNDBIT(LOC, COND_ABOVE) || FOREST(LOC))
#define INDEEP(LOC) ((LOC) >= LOC_MISTHALL && !OUTSID(LOC))
#define SPECIAL(LOC) ((LOC) > SPECIALBASE)
#define OUTSID(LOC) (CNDBIT(LOC, COND_ABOVE) || FOREST(LOC))
#define INDEEP(LOC) ((LOC) >= LOC_MISTHALL && !OUTSID(LOC))