extern void reset_concentration(player_type *creature_ptr, bool msg);
extern void display_snipe_list(player_type *sniper_ptr);
extern MULTIPLY tot_dam_aux_snipe(player_type *sniper_ptr, MULTIPLY mult, monster_type *m_ptr, SPELL_IDX snipe_type);
-extern void do_cmd_snipe(void);
+extern void do_cmd_snipe(player_type *sniper_ptr);
extern void do_cmd_snipe_browse(player_type *sniper_ptr);
extern int boost_concentration_damage(player_type *creature_ptr, int tdam);