Linux 文件属性的结构体

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$ man -k file | grep -i status
fileno [ferror]      (3)  - check and reset stream status
fstat                (3p)  - get file status
fstatat              (2)  - get file status relative to a directory file descriptor
fstat [stat]         (2)  - get file status
lstat [stat]         (2)  - get file status
stat                 (1)  - display file or file system status
stat                 (2)  - get file status
stat                 (3p)  - get file status

$ man 2 stat
...(内容省略)

文件结构体所在的头文件

  • sys/stat.h
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    #include <sys/stat.h>

文件结构体

  • 结构体 - stat
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    struct stat {
                  dev_t     st_dev;     /* ID of device containing file */
                  ino_t     st_ino;     /* inode number */
                  mode_t    st_mode;    /* protection */
                  nlink_t   st_nlink;   /* number of hard links */
                  uid_t     st_uid;     /* user ID of owner */
                  gid_t     st_gid;     /* group ID of owner */
                  dev_t     st_rdev;    /* device ID (if special file) */
                  off_t     st_size;    /* total size, in bytes */
                  blksize_t st_blksize; /* blocksize for file system I/O */
                  blkcnt_t  st_blocks;  /* number of 512B blocks allocated */
                  time_t    st_atime;   /* time of last access */
                  time_t    st_mtime;   /* time of last modification */
                  time_t    st_ctime;   /* time of last status change */
              };