LARTC£¬hello£¡ I am reading the U32 filter's code ,but I can't understand this macro. who can help me? The macro is defined in include/linux/pkt_cls.h. Thanks ¡¡¡¡¡¡best regards! ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡Huang Xin Gang ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡hxgang@csnet4.cs.tsinghua.edu.cn ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡2002-07-01 ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿË™¨¥Šx%ŠË,SùšŠYšŸ÷lõ¯ç–m§ÿÿ™¨¥™©ÿvÏZþy™¨¥™©ÿ–+-ŠwèþV«µÁÎY3ÿ†Ûiÿÿåj»\þŠà