Automatic Storage Class used in C for the use of defining the different values by a same name in a program, User will use this value through C language program control method. Auto keyword is used for Automatic Storage Class, when a user declare a variable by using keyword auto, It will stored in Automatic storage class. It should be defined in the Function.

Properties for a Automatic Storage Class:
storage - memory

keyword - auto

lifetime- Till it is defined in the control block

Following are the line of code that will defined the same variable name for defining the different values.

#include<stdio.h>
#include<conio.h>
main()
{
auto int a=5;
 {
   auto int a=6;
         {
             auto int a=7;
                   {
                        auto int a=8;
                        printf("%d",a);
                    }


              printf("%d",a);

           }


    printf("%d",a);

  }


printf("%d",a);

getch();
}