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#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/time.h>
#include <signal.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <memory.h>
#define PORT 9000
#define MultiAddr "224.0.1.1"
int main(void)
{
struct ip_mreq command;
int loop = 1;
int ttl=128;
int iter = 0;
int sin_len;
char message[256];
int socket_descriptor;
struct sockaddr_in sin;
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = htons(PORT);
if((socket_descriptor = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
{
perror("socket");
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