fattr.c

This is to bulid a sample linux shell.

#include<stdio.h>
#include<sys/stat.h>
#include<stdlib.h>
void quit(char *message,int exit_status)
{ 
   perror(message);
   exit(exit_status);
}

int main(int argc,char **argv)
{
  struct stat statbuf;
  
  if(!stat(argv[1],&statbuf)==-1)
    quit("coul't stat file",1);

  printf("File :%s\n",argv[1]);
  printf("Inode number: %d\n",statbuf.st_ino);
  printf("UID: %d\n",statbuf.st_uid);
  printf("GID: %d\n",statbuf.st_gid);
  printf("Type and permitions: %o\n",statbuf.st_mode);
  printf("Number of links: %d\n",statbuf.st_nlink);
  printf("Size in bytes: %d\n",statbuf.st_size);
  printf("Block allocated: %d\n",statbuf.st_blocks);
  printf("Last modification Time: %s",ctime(&statbuf.st_mtime));
  printf("Last access time:%s\n",ctime(&statbuf.st_atime) );
  exit(0);
}