#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char a[100],b[100];
int l,i,j;
char ch;
FILE *fp;
fp=fopen("Encrypt.txt","r");
clrscr();
if(fp==NULL)
{
printf("\nFile Cannot Be Found");
getch();
exit(0);
}
fscanf(fp,"%s",a);
printf("\nEncrypted String is:");
puts(a);
l=strlen(a);
for(i=0;i<l;i++)
{
ch=a[i];
for(j=0;j<l;j++)
ch--;
b[i]=ch;
}
puts("\nThe Decrypted String is:");
puts(b);
fclose(fp);
if(remove("Encrypt.txt")==-1)
perror("\nError in Deleating a file");
getch();
}
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