Chapter 04 (cont.)

• Accessing a normal variable X = 12

  • look up X's address in the symbol table (compiler does this)
  • Into the location at that address, store 12.

• Accessing a pointer variable (X_ptr = &X;) *X_ptr = 12

  • look up the address stored in X_ptr (at run time)
  • Into the location at that address, store 12.