c_ch01_ex03.c

/*Exercise 1-3. Modify the temperature conversion program to print a heading above the table.*/
#include <stdio.h>
/* print Fahrenheit-Celsius table
for fahr = 0, 20, ..., 300; floating-point version */
main()
{
        float fahr, celsius;
        char *f = "Faher", *c = "Celsi";
        float lower, upper, step;
        lower = 0; /* lower limit of temperatuire scale */
        upper = 300; /* upper limit */
        step = 20; /* step size */
        fahr = lower;
        printf("%5s %6s\n", f, c);
        while (fahr <= upper) {
                celsius = (5.0/9.0) * (fahr-32.0);
                printf("%5.0f %6.1f\n", fahr, celsius);
                fahr = fahr + step;
        }
}