SOURCE FILE: stackP.h
// *********************************************************
// Header file StackP.h for the ADT stack.
// Pointer-based implementation.
// *********************************************************
typedef desired-type-of-stack-item stackItemType;
struct stackNode; // defined in implementation file
typedef stackNode* ptrType; // pointer to node
class stackClass
{
public:
// constructors and destructor:
stackClass(); // default constructor
stackClass(const stackClass& S); // copy constructor
~stackClass(); // destructor
// stack operations:
bool StackIsEmpty() const;
void Push(stackItemType NewItem, bool& Success);
void Pop(bool& Success);
void Pop(stackItemType& StackTop, bool& Success);
void GetStackTop(stackItemType& StackTop,
bool& Success) const;
private:
ptrType TopPtr; // points to top of stack
}; // end class
// End of header file.