#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <termios.h>
//#include <stdlib.h>
#include <math.h>
#include <errno.h>


//#include "textFileLib.h"
//#include "sm.h"
//#include "smLib.h"
//#include "signalLib.h"

void send_message(short int mes,unsigned char *answer, int t_size);
//double angle_to_heading(double angle);
int open_serial_port(char *port, int baud);
//double calculate_heading(unsigned char time1, unsigned char time2);
//void handleTermSignal(void);