class Employee : Person
"C++ Cheat Sheet" has a nice picture explaining inheritance, which suggests using the ever-unpopular private inheritance (see e.g. http://www.parashift.com/c++-faq-lite/private-inheritance.html#faq-24.3). While legitimate, possibly this is not the most commonly-used C++ inheritance.
Unless, of course, an earlier page advises saying
#define class struct