extern bool fire_rocket(int typ, int dir, HIT_POINT dam, int rad);
extern bool fire_ball_hide(int typ, int dir, HIT_POINT dam, int rad);
extern bool fire_meteor(MONSTER_IDX who, EFFECT_ID typ, POSITION x, POSITION y, HIT_POINT dam, POSITION rad);
extern bool fire_rocket(int typ, int dir, HIT_POINT dam, int rad);
extern bool fire_ball_hide(int typ, int dir, HIT_POINT dam, int rad);
extern bool fire_meteor(MONSTER_IDX who, EFFECT_ID typ, POSITION x, POSITION y, HIT_POINT dam, POSITION rad);