26 int main(
int argc, 
char *argv[])
    31   setvbuf(stdout, 0, _IONBF, 0);
    36     fprintf(stderr, 
"ERROR : cannot open spur.\n");
   102   printf(
"Hit Ctrl-C to exit.\n");
   106     printf(
"%f %f %f\n", x, y, theta * 180.0 / M_PI);
 
#define Spur_set_pos_GL(x, y, th)
int main(int argc, char *argv[])
#define Spur_set_angaccel(w)
#define Spur_set_accel(v)
#define Spur_stop_line_GL(x, y, th)
#define Spur_near_ang_GL(th, d)
#define Spur_set_angvel(w)
#define Spur_over_line_GL(x, y, th)
#define Spur_get_pos_GL(x, y, th)