include metric conversion

Author: ivanbrennan

metric.h

@@ -0,0 +1,8 @@
+#define		INCHES_PER_CENTIMETER	0.394
+#define		CENTIMETERES_PER_INCH	1 / INCHES_PER_CENTIMETER
+
+#define		QUARTS_PER_LITER		1.057
+#define		LITERS_PER_QUART		1 / QUARTS_PER_LITER
+
+#define		OUCES_PER_GRAM			0.035
+#define		GRAMS_PER_OUNCE			1 / OUCES_PER_GRAM

prog.13.3.c

@@ -0,0 +1,20 @@
+/* Program to illustrate the use of the #include statement
+ * Note: This program assumes that definitions are
+ * set up in a file called metric.h             */
+
+#include <stdio.h>
+#include "metric.h"
+
+int main (void)
+{
+	float	liters, gallons;
+
+	printf ("*** Liters to Gallons ***'\n\n");
+	printf ("Enter the number of liters: ");
+	scanf ("%f", &liters);
+
+	gallons = liters * QUARTS_PER_LITER / 4.0;
+	printf ("%g liters = %g gallons\n", liters, gallons);
+
+	return 0;
+}