Pointers:

• Illegal Operation

    *p = 10;
  

• Address Operator

    int i = 11;
    int j = 22;
    int k = 33;
  
    int *iPtr = &i;
    int *jPtr = &j;
    int *kPtr = &k;
  

• Output

    cout << "address " << iPtr  << "value "  << *iPtr << "\n";
  
    address 0x00553A78 value 11
  
  

• Pointers and structs

    struct Node
    {
      char Current[2];
      int Volts;
      Node *Link;
    }
  
    Node *P, *Q;
   
    P -> Volts = 115;
  
    Q -> Link = NULL
  
  

• Assignment may not work

    Stack S;
    Stack R;
  
    R = S;
  

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