Write a c program to know the last date of modification of any file

#include "time.h"

#include "sys\stat.h"

#include "stdio.h"

int main(){

    struct stat status;

    FILE *fp;

    fp=fopen("test.txt","r");

    fstat(fileno(fp),&status);

    

    printf("Last date of modification : %s",ctime(&status.st_ctime));

    return 0;

}

Explanation:

Function int fstat(char *, struct stat *) store the  information of open file in form of  structure struct stat

Structure struct stat has been defined in sys\stat.h as

struct stat {

    short  st_dev,   st_ino;

    short  st_mode,  st_nlink;

    int    st_uid,   st_gid;

    short  st_rdev;

    long   st_size,  st_atime;

    long   st_mtime, st_ctime;

};

Here

(e)st_dev: It describe file has stored in which drive of your computer.

(f)st_mode:  It describes various modes of file like file is read only, write only, folder, character file etc.

(g)st_size: It tells the size of file in byte.

(h)st_ctime:It tells last data of modification of the file in date format.

Function ctime convert date type in string format 

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