C – Constants1 min read

Constants

From the name constant, we can say that these are fix values that are used in a program and its values remain the same during the entire execution of the program. These fixed values in C are also called Literals.

These constants may be any of the data-types present in C such as integer constant, a floating constant, a character constant, or a string literal, etc.

Keyword const is used to define the constants in C.

Syntax:

Example to show the use of constant in C Programming.

After executing the following code, the output is:

Following table represent the constant types with example:

constant typedata type(Example)
integer constantint (45, 657, -845 etc ) unsigned int (4000u, 2000U etc) long int, long long int (483, 6472,147,483,680)
floating constantfloat (60.36246) double (900.12345678)
character constantchar (Eg: ‘x’, ‘y’, ‘z’)
string literalchar (Eg: “XYZ”, “Hey”)

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