unsigned char buffer [100];
     int id, i=0, type;
     char data [1024];


      printf ("\nEnter an id number:");
      scanf("%d", &id);

      printf ("\nEnter a type between <3 :");
      scanf("%d", &type);

       printf ("\nEnter a message of 50 characters at max:");
       scanf("%s", data);

       int length = strlen(message);
       
       //pack the id number
       buffer[i++] = (unsigned char)((id & 0xff000000) >> 24);
       buffer[i++] = (unsigned char)((id & 0xff0000) >> 16);
       buffer[i++] = (unsigned char)((id & 0xff00) >> 8);
       buffer[i++] = (unsigned char)(id & 0xff);

       //pack the type
       buffer[i] = (unsigned char)(type & 0x03);
       buffer[i] = buffer[i]<<6;

       //pack the length
       buffer[i] = buffer[i] | (length & 0x0000003F);

        i++;
       //pack the data
        memcpy(&buffer[i], &data[0], length);
       i = i+length;

int sendall(int s, char *buf, int len)
{
	//when we send a message to the server (or client) the bytes in the message might not be all sent
	//this methos makes sure all bytes were sent

	int total = 0; // total number of bytes we're sending
	int bytesleft = len; // how many we have left to send

	int n;

	while(total < len) 
	{
		n = send(s, buf+total, bytesleft, 0);
		if (n == -1) 
		{ 
			break; 
		}

		total += n;
		bytesleft -= n;
	}//end while
	
	//return -1 on failure
	//return 1 in case of success

	if(n >= 0)
			return 1;
	else
		return -1;

}