#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

main(){
        int x;
        char ip[40];
        struct in_addr bin;
        unsigned int y,a,b,c;


        printf("\n Enter IP address: ");
        scanf("%s",&ip);

        printf("%s",ip);
        x= inet_aton(ip,&bin);
        printf("\n %d",x);

        if (x==1)
        {
                printf("\n The Ip %s is valid",ip);

                printf("\n After conversion to Hexadecimal %x",bin.s_addr);

                y = ntohl(bin.s_addr);
                printf("\n The rotated IP is %x",y);

                a= y & 0X80000000;
                b= y & 0Xc0000000;
                c= y & 0Xe0000000;

                if (a==0X00000000)
                        printf("\n The IP belongs to CLASS A ");

                else if (b==0X80000000)
                        printf("\n The IP belongs to CLASS B ");

                else if (c==0XC0000000)
                        printf("\n The IP belongs to CLASS C ");

                else
                        printf("\n The IP does not belong to any CLASS ");


        }
        else

                printf("\n The IP %s is invalid",ip);
}