#ifndef _SPEEDO
#define _SPEEDO 1

#include <time.h>

#define SPEEDO_MSGTYPE 1

struct speedo_msgbuf
{
  long mtype;
  time_t time_sec;
  suseconds_t time_usec;
  double speed;
};

struct speedo_databuf
{
  time_t time_sec;
  suseconds_t time_usec;
  double delta_t;
  double speed;
};


void *compute_speedo(void *threadid);






#endif