C language Keywords are predefined, reserved words used in programming that have special meanings to the compiler. Keywords are part of the syntax and they cannot be used as an identifier.
c language keyboard
int
char
float
const
int
The int keyword declares integer type variable.
For example int money;
Here, int is a keyword that indicates 'money' is a variable of type integer.
char
The char keyword declares a character variable.
For example: char alphabet;
Here, alphabet is a character type variable.
float
float is used for declaring floating type variables.
For example: float number;
Here, number is single precision floating type variable.
const
An identifier can be declared constant by using const keyword.
For example const int a = 5;
