You just need a function that takes care of printing the data. The function must know what the individual parts of the classes means, so it's your job.
(Does not necessarily need to be part of any class, but can be.)
Originally Posted by Adak
io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
Originally Posted by Salem
You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.
Outside of your DOS world, your header file is meaningless.