Using Enum

	enum name {enumeration list} optional varaible(s);

Examples

	enum colour_type {red, green, blue} colour;	//The variable colour can only be assigned the
									values red, green or blue
	(red = 0, green = 1, blue = 2 will be done by the compiler - these are basically const values)


	enum colour_type {red, green = 9, blue} colour;		//red = 0, green = 9, blue = 10


	enum colour_type {red, green, blue};
	colour_type colour;
	colour = green;