int main ()
{
double c = 0; // declare input variable
cin >> c; // retrieve temperature to input variable
double k = ctok(c); // retrive result of celsius to kelvin
cout << k << endl; // print out temperature
cin >> c; // retrieve temperature to input variable again.
double cel = ktoc(c); // retrive result of kelvin to celsius
cout << cel << endl; // print out temperature
keep_window_open();
}
int main(int argc, char* argv[])
{
if (argc != 3) {
print_help(argv[0]);
exit(EXIT_FAILURE);
}
char* endptr = NULL;
errno = 0;
float temp = strtof(argv[2], &endptr);
if (errno || *endptr)
die("Your temperature is not a valid number.");
puts("Your argument converts to:");
switch (argv[1][1]) {
case 'c':
printf("%.2fK\n", ctok(temp));
printf("%.2fF\n", ctof(temp));
break;
case 'f':
printf("%.2fC\n", ftoc(temp));
printf("%.2fK\n", ftok(temp));
break;
case 'k':
printf("%.2fC\n", ktoc(temp));
printf("%.2fF\n", ktof(temp));
break;
default:
die("Unknown temperature type");
}
return EXIT_SUCCESS;
}