
	shadow(3)		MudOS v21c2		(5 Sep 1994)

	:
		shadow() - ΪһЩһʽͶӰ (shadow).
	﷨:
		object shadow( object ob, int flag );

		 shadow(  ob,  flag );
	÷:
		 flag  1, ǲָ flag , ĿǰΪ
		ob  ͶӰ.  flag  0, Ǵ 0, Ǵ
		Ϊ ob ͶӰ. 

		valid_shadow()  ʽ.  valid_shadow()
		 1, Ŀ޷ͶӰ, shadow()  ʽᴫ 0  
		 ob.
		
		 a  Ϊ b  ͶӰ, ж b  
		call_other(func)  µ (redirect)  a. 
		a ûж func ʽ,  call_other(func)  b  
		func (û a ΪͶӰ). ֻ a   call_other()
		 b  ĺʽ. b ޷ call_other() Լ.  b
		ڲĺʽн b Լ.

		ȡͶӰ. ݻΪͶӰ, Ǵݻٱ
		ͶӰ. ߱ݻ֮, ΪͶӰҲԶ.

		ͶӰ, ʹһڸһ, ʱƺ
		ûס. shadow()  ڲԭʼʽ
		, ıһΪ. ˵, shadow()  Ϊ
		һЩְҵϵ, սʿħʦȵȵ.
		һ, ʹҵΪְҵ̫.
	ο:
		destruct(3), shadowp(3), query_shadowing(3), valid_shadow(4)
	:
		Spock @ FF	97.Jul.22.		(printed 3/16/95)
