Use of stat in C Language

1. Stat struct

The structure is defined in the/usr/include/sys/STAT. h file.

Struct stat finfo;

Stat (sfilename, & finfo );

Int size = finfo. st_size;

Struct stat {

Mode_t st_mode; // file mode, file, directory, etc.

Ino_t st_ino; // I-node number

Dev_t st_dev; // device number

Dev_t st_rdev; // special device number

Nlink_t st_nlink; // number of file connections

Uid_t st_uid; // file owner

Gid_t st_gid; // group corresponding to the file owner

Off_t st_size; // common file, corresponding to the number of bytes

Time_t st_atime; // time when the object was last accessed

Time_t st_mtime; // The last modification time of the file content

Time_t st_ctime; // File status (attribute) Change Time

Blksize_t st_blksize; // block size corresponding to the file content

Blkcnt_t st_blocks; // number of blocks corresponding to the file content

};

Stat Function: Get File Information:

Stat (file_route, & Stat); If the returned value is 0, the operation succeeds. Otherwise, the operation fails.