Using in the C programming language integer (int) primary data type.

As the name suggests an int variable is used to store an integer. They typically reflect the integer’s natural size on a host machine.
Short int Data Type: in C, the short int data type occupies 2 bytes (16 bits) of memory to store an integer value.
long int Data Type: In C, the long int data type occupies 4 bytes (32 bits) of memory to store an integer value.

Data Type: Integer(int)
Format Specifier: %d
Memory Size: 2 or 4 bytes
Value Range: -2147483648 to 2147483647 Or -32768 to 32767

My laptop
HP 150 Wired Keyboard and Mouse
Computer glass
Laptop cleaning kit

C language Books:-
1) C PROGRAMMING ABSOLUTE BEGINNER
2) The C Programming Language
3) C Programming 2e: A Modern Approach