inter vlan routing

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send and receiver side parity detection

#include <stdio.h> #include <stdlib.h> int checking(char *data) {     int i=0,num;     while (data[i]!='\0')     {         num=data[i]-48;         if (num=='0'||num=='1')         {             i++;         }         else         {             return 0;         }     }     return 1; } int main() {  char data[40],rdata[40];  int i=0,count=0,check;  printf("Enter the data : \t");  scanf ("%s",data);   check=checking(&data[0]);   printf ("%d is num",check);  if (check==0)     {         printf ("Error.....\nEntered Data is Wrong");         return 0;     }     else if (check==1)     {         printf...
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B ip to D ip and D ip to B ip

#include<stdio.h> #include<string.h> int binary(int n) { int c=0,b,mf=1; while(n>0) { b=n%2; n=n/2; c=b*mf+c; mf=mf*10; } return c; } int decimal(int n) { int dv=0,base=1,rem; while(n>0) { rem=n%10;  dv=dv+rem*base;  n=n/10;  base=base*2;  } return dv; } int  main() { char data[16]; int a,i,n1,n2,n3,n4; printf("Enter 1 :- For converting data from decimal  IP adress to binary IP adress \nEnter 0 :- For converting data from binary IP adress to decimal IP adress \n "); scanf("%d",&a); getchar(); if(a==1) { { printf("Enter the IP adress :- "); scanf("%s",data); sscanf(data,"%d.%d.%d.%d",&n1,&n2,&n3,&n4); } for(i=0;data[i]!='\0';i++) { if(!(data[i]=='1' || data[i]=='0' || data[i]=='2' || data[i]=='3' || data[i]=='4' || data[i]=='5' || data[i]=='6' || data[i]=='7' || data[i]==...
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Hamming reciver and sending

#include <stdio.h> int main() {     int d[8],c[4],h[12],i,j,n=0,r[12],c1;     //Sender Side  for(i=0;i<8;i++)  {   printf("\nEnter %d bit of data=",i);   scanf("%d",&d[i]);  }  printf("\nData entered is=\n");  for(i=0;i<8;i++)  printf("%d",d[i]);  c[0]=d[0]^d[1]^d[3]^d[4]^d[6];  c[1]=d[0]^d[2]^d[3]^d[5]^d[6];  c[2]=d[1]^d[2]^d[3]^d[7];  c[3]=d[4]^d[5]^d[6]^d[7];  printf("\n Parity bit are %d %d %d %d",c[0],c[1],c[2],c[3]);  i=0;  for(j=0;j<12;j++)  {   if((pow(2,n)-1)==j)   {    h[j]=c[n];    n++;   }   else   {    h[j]=d[i];    i++;   }  }  printf("\nData transmitted is=");  for(i=0;i<12;i++)  {   printf("%d",h[i]);  }  //Receiver Side  printf("\nEnter received code word bits one by one=");     for(i=0;i<12;i++)  {   printf("\nEnter %d...
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