
	filter_array(3)	  	MudOS v21c2		(5 Sep 1994)

	:
		filter_array() - һ˾ݵ.
	﷨:
		mixed *filter_array( mixed *arr, string fun, object ob,
			mixed extra, ... );
		mixed *filter_array( mixed *arr, function f,
			mixed extra, ... );

		 *filter_array(  *arr, ִ fun,  ob,
			 extra, ... );
		 *filter_array(  *arr, ʽ f, 
			 extra, ... );
	÷:
		filter_array()  һ, ﱣ arr 
		 ob еĺʽ fun  ֮Ľ. ÿһ arr
		еԪ (element)  кʽ fun  һ, ҵ fun
		Ĳ (parameter). ָ extra  ֮Ĳ, 
		ÿһκкʽ fun  ʱɵڶ....һ
		 fun   1  ֮, Ϊɹͨ fun  Ĺ
		 (֮Ҳڴص) . ڵڶ﷨, 
		ָĲǺʽ f, һ﷨е ob->fun()  
		ͬ.  arr  һ, filter_array()   0.
	ο:
		sort_array(3), map_array(3)
	:
		Spock @ FF	97.Feb.12.		(printed 3/16/95)
