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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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