
	filter_mapping(3)  	MudOS v21c2  		(5 Sep 1994)

	:
		filter_mapping() - һΪ׼, Ƴһӳ
				   еĳЩԪ.
	﷨:
		mapping filter_mapping( mapping map, string fun, 
			object ob, mixed extra, ... );
		mapping map_mapping( mapping map, function f, 
			mixed extra, ... );

		ӳ filter_mapping( ӳ map, ִ fun,
			 ob,  extra, ... );
		ӳ filter_mapping( ӳ map, ʽ f,
			 extra, ... );
	÷:
		һ map  ͬؼ (keys) ӳ, 
		map еĿ (item) ᾭ ob->fun()   f
		Ĺ. ÿһ map  еԪض fun   f
		һ, ʽ fun  f ĴֵÿһĿ֮.
	:
		filter_array(3), sort_array(3), map(3)
	:
		Spock @ FF	97.Feb.12.		(printed 3/16/95)

