void main()
{
int feet, inches;

    while(1)
    {
	ping(0);
	msleep(35L);
/* To print feet and inches: */
/*
	sonar_time=sonar_time/150;
	feet=sonar_time/12;
	inches=sonar_time-(feet*12);
	printf("dist: %d' %d\"\n",feet,inches);
*/
/* I just want inches now */
	printf("dist: %d\"\n",sonar_time/150);

	msleep(150L);
    }
}