Enum Keyword

In C programming, the 'enum' keyword is used to define an enumerated type, which is a user-defined data type consisting of a set of named values.

Enumerations provide a way to associate meaningful names with a set of constant values, making the code more readable and maintainable.

Here's an example of using the 'enum' keyword:

enum Color {
  RED,
  GREEN,
  BLUE
};

    

In this example, the 'enum' keyword is used to define an enumeration type called 'Color', which consists of three named values: RED, GREEN, and BLUE.

Each named value represents a constant integer value, with the default starting value of 0 for the first named value. Subsequently named values are assigned values incrementing by 1.

Enumerations provide a way to create symbolic names for sets of related constants, making the code more readable and self-explanatory.

They are commonly used when there is a need to represent a limited and fixed set of options or states in a program.