Bit Stuffing Program in C

Bit stuffing is a process of inserting an extra bit as 0, once the frame sequence encountered 5 consecutive 1’s.z

include

include

int main()
{
int a[20],b[30],i,j,k,count,n;
printf(“Enter frame size (Example: 8):”);
scanf(“%d”,&n);
printf(“Enter the frame in the form of 0 and 1 :”);
for(i=0; i<n; i++)
scanf(“%d”,&a[i]);
i=0;
count=1;
j=0;
while(i<n)
{
if(a[i]==1)
{
b[j]=a[i];
for(k=i+1; a[k]==1 && k<n && count<5; k++)
{
j++;
b[j]=a[k];
count++;
if(count==5)
{
j++;
b[j]=0;
}
i=k;
}
}
else
{
b[j]=a[i];
}
i++;
j++;
}
printf(“After Bit Stuffing :”);
for(i=0; i<j; i++)
printf(“%d”,b[i]);
return 0;
}

OUTPUT for BIT STUFFING:

Enter frame size (Example: 8):12
Enter the frame in the form of 0 and 1 :0 1 0 1 1 1 1 1 1 0 0 1
After Bit Stuffing :0101111101001

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