//receiver
#include<stdio.h>
#include<string.h>
main()
{
FILE *fp;
fp=fopen("TEXT.txt","r");
char a[20],b[20];
int i,j,l,l1;
fscanf(fp,"%s",b);
printf("RECEIVED BINARY DIGIT : ");
fscanf(fp,"%s",a);
printf("%s\n",a);
printf("ENTERED DIVISOR:");
printf("%s",b);
l=strlen(a);
l1=strlen(b);
char r[l1],temp[l1];
for(i=0;i<l1;i++)
{
temp[i]=a[i];
}
for(i=l1-1;i<l;i++)
{
if(temp[0]=='1')
{
for(j=0;j<l1;j++)
{
if(temp[j]==b[j])
{
r[j]='0';
}
else
{
r[j]='1';
}
}
}
else
{
for(j=0;j<l1;j++)
{
r[j]=temp[j];
}
}
r[j]='\0';
for(j=0;j<l1-1;j++)
{
temp[j]=r[j+1];
}
temp[j]=a[i+1];
temp[j+1]='\0';
}
i=0;
while(r[i]!='\0')
{
if(r[i]!='0')
{
printf("\n\t****RECEIVED BINARY DIGITS IS INCORRECT****");
goto A;
}
i++;
}
printf("\n\t****RECEIVED BINARY DIGITS IS CORRECT****");
printf("\n\nBINARY STRING IS: ");
for(i=0;i<l-l1+1;i++)
{
printf("%c",a[i]);
}
A:
fclose(fp);
}
//sender
#include<stdio.h>
#include<string.h>
main()
{
FILE *fp;
fp=fopen("TEXT.txt","w");
char a[20],b[20];
int i,j,l,l1;
printf("ENTER THE BINARY DIGIT : ");
scanf("%s",a);
printf("ENTER DIVISOR:");
scanf("%s",b);
fprintf(fp,"%s ",b);
l=strlen(a);
l1=strlen(b);
for(i=l;i<l+l1-1;i++)
{
a[i]='0';
}
char r[l1],temp[l1];
for(i=0;i<l1;i++)
{
temp[i]=a[i];
}
for(i=l1-1;i<l+l1-1;i++)
{
if(temp[0]=='1')
{
for(j=0;j<l1;j++)
{
if(temp[j]==b[j])
{
r[j]='0';
}
else
{
r[j]='1';
}
}
}
else
{
for(j=0;j<l1;j++)
{
r[j]=temp[j];
}
}
r[j]='\0';
for(j=0;j<l1-1;j++)
{
temp[j]=r[j+1];
}
temp[j]=a[i+1];
}
j=1;
for(i=l;i<l+l1-1;i++)
{
a[i]=r[j];
j++;
}
a[i]='\0';
printf("DATA SEND: %s",a);
fprintf(fp,"%s",a);
fclose(fp);
}
#include<stdio.h>
#include<string.h>
main()
{
FILE *fp;
fp=fopen("TEXT.txt","r");
char a[20],b[20];
int i,j,l,l1;
fscanf(fp,"%s",b);
printf("RECEIVED BINARY DIGIT : ");
fscanf(fp,"%s",a);
printf("%s\n",a);
printf("ENTERED DIVISOR:");
printf("%s",b);
l=strlen(a);
l1=strlen(b);
char r[l1],temp[l1];
for(i=0;i<l1;i++)
{
temp[i]=a[i];
}
for(i=l1-1;i<l;i++)
{
if(temp[0]=='1')
{
for(j=0;j<l1;j++)
{
if(temp[j]==b[j])
{
r[j]='0';
}
else
{
r[j]='1';
}
}
}
else
{
for(j=0;j<l1;j++)
{
r[j]=temp[j];
}
}
r[j]='\0';
for(j=0;j<l1-1;j++)
{
temp[j]=r[j+1];
}
temp[j]=a[i+1];
temp[j+1]='\0';
}
i=0;
while(r[i]!='\0')
{
if(r[i]!='0')
{
printf("\n\t****RECEIVED BINARY DIGITS IS INCORRECT****");
goto A;
}
i++;
}
printf("\n\t****RECEIVED BINARY DIGITS IS CORRECT****");
printf("\n\nBINARY STRING IS: ");
for(i=0;i<l-l1+1;i++)
{
printf("%c",a[i]);
}
A:
fclose(fp);
}
//sender
#include<stdio.h>
#include<string.h>
main()
{
FILE *fp;
fp=fopen("TEXT.txt","w");
char a[20],b[20];
int i,j,l,l1;
printf("ENTER THE BINARY DIGIT : ");
scanf("%s",a);
printf("ENTER DIVISOR:");
scanf("%s",b);
fprintf(fp,"%s ",b);
l=strlen(a);
l1=strlen(b);
for(i=l;i<l+l1-1;i++)
{
a[i]='0';
}
char r[l1],temp[l1];
for(i=0;i<l1;i++)
{
temp[i]=a[i];
}
for(i=l1-1;i<l+l1-1;i++)
{
if(temp[0]=='1')
{
for(j=0;j<l1;j++)
{
if(temp[j]==b[j])
{
r[j]='0';
}
else
{
r[j]='1';
}
}
}
else
{
for(j=0;j<l1;j++)
{
r[j]=temp[j];
}
}
r[j]='\0';
for(j=0;j<l1-1;j++)
{
temp[j]=r[j+1];
}
temp[j]=a[i+1];
}
j=1;
for(i=l;i<l+l1-1;i++)
{
a[i]=r[j];
j++;
}
a[i]='\0';
printf("DATA SEND: %s",a);
fprintf(fp,"%s",a);
fclose(fp);
}
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