http://www.enel.ucalgary.ca/People/Norman/enel315_winter1997/enum_types/ Introduction In C and C++, enum types can be used to set up collections of named integer constants. (The keyword enum is short for ``enumerated''.) The traditional C way of doing this was something like this: #define SPRING 0 #define SUMMER 1 #define FALL 2 #define WINTER 3 An alternate approach using enum would be enum { S..