PHP ʖ²ἯTH º󍋼/A filetype ˵÷ ·µ»؎ļþµĀЍ¡£¿Ʉܵ˵Ӑ fifo£¬char£¬dir£¬block£¬link£¬file º͠unknown¡£ º󍋼/A ưµ㼯A filesize ɏһ¼¶ flock