1-5.c

/* K&R Exercise 1-5: Modify the temperature conversion program to print 
 * the table in reverse order */

#include <stdio.h>

main()
{
	float fahr, celsius;
	int lower, upper, step;

	lower = 0;
	upper = 300;
	step = 20;

	fahr = upper;
	printf("Fahr Celsius\n");
	while (fahr >= lower) {
		celsius = (5.0/9.0) * (fahr-32.0);
		printf("%3.0f %6.1f\n", fahr, celsius);
		fahr = fahr - step;
	}
}