data = struct.pack('!3f', f1, f2, f3)
sock.sendto(data, addr)
sockaddr from;
socklen_t len = 0;
int buffsize = 12;
char buff[buffsize];
recvfrom(sock, (void*)&buff, buffsize, 0, &from, &len);
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data = struct.pack('!3f', f1, f2, f3)
sock.sendto(data, addr)
sockaddr from;
socklen_t len = 0;
int buffsize = 12;
char buff[buffsize];
recvfrom(sock, (void*)&buff, buffsize, 0, &from, &len);