Programming Tips - How can I convert a http status number into a range?

Date: 2015aug19 Language: C/C++ Q. How can I convert a http status number into a range? A.
// Eg 503 -> 500 // Eg 555 -> 500 int getStatusRange(const int status) { return (status / 100) * 100; }
A 1xx status is informational. A 2xx status is success. A 3xx status is redirection. A 4xx status is client error. A 5xx status is server error.