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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; //ÎļþËùÓÐÕß¶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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