print value veriable and address veriable using pointer

COMPUTER GAYN

 Q. print value veriable and address veriable using pointer?

ans:-    #include<stdio.h>

              int main()

            {

     int a=10;   // value variable a=10 and &a= address, *a =                                            invalid

   int * ptr = &a;  // ptr = address, &ptr = address ptr , *ptr=                                                  value at that address location

  printf("value of a = %d\n",a);

  printf("address of a variable = %u \n",&a);

//   printf("* a= %d",*a);

  printf("ptr = %u \n",ptr);

 printf("&ptr = %u \n",&ptr);

 printf("*ptr = %d\n ",*ptr);

 return 0;

           }