Name: query_attack - get the opponent of a living in a fight

Syntax:
	object query_attack()

Description:
	If a living is fighting, query_attack returns the current opponent.
	Note: you can't overwrite this function.

Return value:
	An object pointer to the current opponent, if the living is fighting,
	else 0.

Examples:
	object enemy;
	enemy=this_player()->query_attack();

See also: living/attacked_by, living/stop_fight, living/attack_object, living/show_enemies, living/query_enemies