filehandling.c

#include<stdio.h>
int
main () 
{
  
FILE * fp;
  
char ch;
  
int i, pos;
  
fp = fopen ("input.txt", "r");
  
if (fp == NULL)
    
    {
      
printf ("File does not exist..");
    
}
  
fseek (fp, 0, SEEK_END);
  
pos = ftell (fp);
  
    //printf("Current postion is %d\n",pos);
    i = 0;
  
while (i < pos)
    
    {
      
i++;
      
fseek (fp, -i, SEEK_END);
      
	//printf("%c",fgetc(fp));
	ch = fgetc (fp);
      
printf ("%c", ch);
    
}
  
return 0;

}