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struct stat {
        mode_t     st_mode;        //Îļþ¶ÔÓ¦µÄģʽ£¬Îļþ¡¢Ä¿Â¼µÈ
        ino_t         st_ino;            //inode½ÚµãºÅ
        dev_t        st_dev;           //É豸ºÅÂë
        dev_t        st_rdev;          //ÌØÊâÉ豸ºÅÂë
        nlink_t       st_nlink;         //ÎļþµÄÁ¬½ÓÊý
        uid_t         st_uid;            //ÎļþËùÓÐÕß
        gid_t         st_gid;            //ÎļþËùÓÐÕ߶ÔÓ¦µÄ×é
        off_t          st_size;          //ÆÕͨÎļþ¶ÔÓ¦µÄÎļþ×Ö½ÚÊý
        time_t       st_atime;        //Îļþ×îºó±»·ÃÎʵÄʱ¼ä
        time_t       st_mtime;       //ÎļþÄÚÈÝ×îºó±»Ð޸ĵÄʱ¼ä
        time_t       st_ctime;        //Îļþ״̬¸Ä±äʱ¼ä
     


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