There Are two files:
//Receiver.c
#include<stdio.h>
int decimal(int n1,int n2,int n3)
{
return(n1+n2*2+n3*4);
}
main()
{
int b[7],i;
FILE *fp;
fp=fopen(".txt","r");
for(i=0;i<7;i++)
{
fscanf(fp,"%d",&b[i]);
}
int s[3];
s[0]=(b[3]+b[2]+b[1]+b[6])%2;
s[1]=(b[0]+b[1]+b[2]+b[5])%2;
s[2]=(b[0]+b[2]+b[3]+b[4])%2;
switch(decimal(s[0],s[1],s[2]))
{
case 0:printf("\nNO ERROR");
break;
case 1:printf("\nERROR IN qo");
break;
case 2:printf("\nERROR IN q1");
break;
case 3:printf("\nERROR IN b2");
break;
case 4:printf("\nERROR IN q2");
break;
case 5:printf("\nERROR IN b0");
break;
case 6:printf("\nERROR IN b3");
break;
case 7:printf("\nERROR IN b1");
break;
}
}
//sender.c
#include<stdio.h>
main()
{
char a[4];
FILE *fp;
fp=fopen(".txt","w");
printf("\n ENTER BINARY STRING YOU WANT TO SEND: ");
scanf("%s",a);
int i,r[3];
printf("%s",a);
for(i=0;i<4;i++)
{
fprintf(fp,"%c ",a[i]);
}
r[0]=((int)(a[3]+a[2]+a[1]-'0'))%2;
r[1]=((int)(a[0]+a[1]+a[2]-'0'))%2;
r[2]=((int)(a[0]+a[2]+a[3]-'0'))%2;
printf("");
for(i=2;i>=0;i--)
{
printf("%d",r[i]);
fprintf(fp,"%d ",r[i]);
}
fclose(fp);
}
//Receiver.c
#include<stdio.h>
int decimal(int n1,int n2,int n3)
{
return(n1+n2*2+n3*4);
}
main()
{
int b[7],i;
FILE *fp;
fp=fopen(".txt","r");
for(i=0;i<7;i++)
{
fscanf(fp,"%d",&b[i]);
}
int s[3];
s[0]=(b[3]+b[2]+b[1]+b[6])%2;
s[1]=(b[0]+b[1]+b[2]+b[5])%2;
s[2]=(b[0]+b[2]+b[3]+b[4])%2;
switch(decimal(s[0],s[1],s[2]))
{
case 0:printf("\nNO ERROR");
break;
case 1:printf("\nERROR IN qo");
break;
case 2:printf("\nERROR IN q1");
break;
case 3:printf("\nERROR IN b2");
break;
case 4:printf("\nERROR IN q2");
break;
case 5:printf("\nERROR IN b0");
break;
case 6:printf("\nERROR IN b3");
break;
case 7:printf("\nERROR IN b1");
break;
}
}
//sender.c
#include<stdio.h>
main()
{
char a[4];
FILE *fp;
fp=fopen(".txt","w");
printf("\n ENTER BINARY STRING YOU WANT TO SEND: ");
scanf("%s",a);
int i,r[3];
printf("%s",a);
for(i=0;i<4;i++)
{
fprintf(fp,"%c ",a[i]);
}
r[0]=((int)(a[3]+a[2]+a[1]-'0'))%2;
r[1]=((int)(a[0]+a[1]+a[2]-'0'))%2;
r[2]=((int)(a[0]+a[2]+a[3]-'0'))%2;
printf("");
for(i=2;i>=0;i--)
{
printf("%d",r[i]);
fprintf(fp,"%d ",r[i]);
}
fclose(fp);
}
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