struct stat結構體的詳解和用法

轉載地址：http://blog.csdn.net/sd6264456/article/details/18362269

//! 需要包含de頭文件

#include <sys/types.h>

#include <sys/stat.h>

int stat(const char *filename, struct stat *buf); //! prototype,原型

struct stat
{

    dev_t       st_dev;     /* ID of device containing file -文件所在設備的ID*/

    ino_t       st_ino;     /* inode number -inode節點號*/

    mode_t      st_mode;    /* protection -保護模式?*/

    nlink_t     st_nlink;   /* number of hard links -鏈向此文件的連接數(硬連接)*/

    uid_t       st_uid;     /* user ID of owner -user id*/

    gid_t       st_gid;     /* group ID of owner - group id*/

    dev_t       st_rdev;    /* device ID (if special file) -設備號，針對設備文件*/

    off_t       st_size;    /* total size, in bytes -文件大小，字節爲單位*/

    blksize_t   st_blksize; /* blocksize for filesystem I/O -系統塊的大小*/

    blkcnt_t    st_blocks;  /* number of blocks allocated -文件所佔塊數*/

    time_t      st_atime;   /* time of last access -最近存取時間*/

    time_t      st_mtime;   /* time of last modification -最近修改時間*/

    time_t      st_ctime;   /* time of last status change - */

};

#include <iostream>

#include <ctime>

#include <sys/types.h>

#include <sys/stat.h>

using namespace std;

int
main ()
{
    struct stat buf;

    int result;

    result = stat ("./Makefile", &buf);

    if (result != 0)
      {
          perror ("Failed ^_^");
      }
    else
      {

          //! 文件的大小，字節爲單位

          cout << "size of the file in bytes: " << buf.st_size << endl;

          //! 文件創建的時間

          cout << "time of creation of the file: " << ctime (&buf.st_ctime) <<

              endl;

          //! 最近一次修改的時間

          cout << "time of last modification of the file: " <<

              ctime (&buf.st_mtime) << endl;

          //! 最近一次訪問的時間

          cout << "time of last access of the file: " << ctime (&buf.st_atime)

              << endl;
      }

    return 0;

}

$ ./test

size of the file in bytes: 36

time of creation of the file: Sun May 24 18:38:10 2009

time of last modification of the file: Sun May 24 18:38:10 2009

time of last access of the file: Sun May 24 18:38:13 2009