learn_c/intro/ex1_15.c

31 lines
609 B
C

#include <stdio.h>
int convertctof(int celsius);
/* print Celsius-Fahrenheit table
for celsius = 0, 20, ..., 300; functafied */
main()
{
float fahr, celsius;
int lower, upper, step;
lower = 0; /* lower limit of temperature table */
upper = 300; /* upper limit */
step = 20; /* step size */
celsius = lower;
printf("Celsius-Fahrenheit Table\n");
while (celsius <= upper) {
fahr = convertctof(celsius);
printf("%3.0f %6.2f\n", celsius, fahr);
celsius = celsius + step;
}
}
int convertctof(int cel)
{
int fahr;
fahr = cel * (9.0/5.0) + 32.0;
return fahr;
}