stack debug

Could someone help me debug this. I am stumped.

Code:

---

// Stack of customers prblm 3 pg 417 c++ primer plus
#ifndef _STACKH_H_
#define _STACKH_H_

struct customer
{
        char fullname[35];
        double payment;
};

typedef customer Item; //error here

class Stack // error here
{
private:
        enum {MAX=10};
        Item items[MAX];
        int top;
public:
        Stack();
        bool isempty() const;
        bool isfull() const;
        // push returns false if stack is full, else true
        bool push(const Item & item); // add item to stack
        // pop returns false if stack is empty, true otherwise
        bool pop(Item & item);
};
#endif

---

C:\Borland\BCC55\src>bcc32 stackh.h
Borland C++ 5.5.1 for Win32 Copyright (c) 1993, 2000 Borland
stackh.h:
Error E2257 stackh.h 11: , expected
Error E2141 stackh.h 13: Declaration syntax error
*** 2 errors in Compile ***

Don't know about the errors you get because I don't know what the line numbers coorespond to in the code sample you provided. However, can't you just use the built in stack class?

Code:

---

#include <stack>
#include <cstring>
#include <iostream>
using namespace std;

struct customer
{
        char fullname[35];
        double payment;
};

int main()
{
    stack<customer> MyStack;
    customer Item;

    strncpy( Item.fullname, "Billy", sizeof(Item.fullname) );
    Item.payment = 100.0;
    MyStack.push( Item );

    strncpy( Item.fullname, "Bob", sizeof(Item.fullname) );
    Item.payment = 200.0;
    MyStack.push( Item );

    strncpy( Item.fullname, "Thornton", sizeof(Item.fullname) );
    Item.payment = 300.0;
    MyStack.push( Item );

    while( !MyStack.empty() )
    {
        Item = MyStack.top();
        cout << "Name is : " << Item.fullname << ", payment is: " <<
                        Item.payment << '.' << endl;
        MyStack.pop();
    }

    return 0;
}

---

On my machine this prints out the following:

Name is : Thornton, payment is: 300.
Name is : Bob, payment is: 200.
Name is : Billy, payment is: 100.

I haven't learned about the built in stack class and prefer to step along with the book. By doing so I learn more about implementing a stack class.

I have the program working. It doesnt work when I use the extension .h but if i use the extension .cpp and change #ifndef and #define their is no problem. compare this code with that of my previous post (I believe .h is a C header file extension and c++ uses somthing different)

Code:

---


// Stack of customers prblm 3 pg 417 c++ primer plus
#ifndef _STACKH_CPP_
#define _STACKH_CPP_

struct customer
{
        char fullname[35];
        double payment;
};

typedef customer Item;

class Stack
{
private:
        enum {MAX=10};
        Item items[MAX];
        int top;
public:
        Stack();
        bool isempty() const;
        bool isfull() const;
        // push returns false if stack is full, else true
        bool push(const Item & item); // add item to stack
        // pop returns false if stack is empty, true otherwise
        bool pop(Item & item);
};
#endif

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