The indirection operator () gets the value stored in the memory location whose address is stored in a pointer variable. The address of (&) operator returns the address of the memory location in which the variable is stored. The output of the following example shows the difference between and &.
//difference between * and &.
include
void main()
{
int k;
int *ptr;
clrscr();
k=10;
ptr=&k;
printf("\n Value of k is %d\n\n",k);
printf("%d is stored at addr %u\n",k,&k);
printf("%d is stored at addr %u\n",*ptr,ptr);
*ptr=25;
printf("\n Now k = %d\n",k);
getch();
}
Output: Value of k is 10
10 is stored at addr 65524
10 is stored at addr 65524
Now k=25
