What is storage class ?

The storage class is defines the memory location where the variables or identifiers would be stored. The initial value of the variables is defined by the storage class.

A storage class is also describing the scope and life of the variables.

There are 4 types of storage classes:

1. Automatic storage class (auto)

2. Static storage class (static)

3. Register storage class (register)

4. External storage class (extern)