Archief - [PROG][C++] Header bestanden

// namesp.h
// create the pers and debts namespaces
namespace pers
{
    const int LEN = 40;
    struct Person
    {
        char fname[LEN];
        char lname[LEN];
    };
    void getPerson(Person &);
    void showPerson(const Person &);
}

namespace debts
{
    using namespace pers;
    struct Debt
    {
        Person name;
        double amount;
    };

    void getDebt(Debt &);
    void showDebt(const Debt &);
    double sumDebts(const Debt ar[], int n);
}

// usenmsp.cpp -- using namespaces
#include <iostream>
#include "namesp.h"

void other(void);
void another(void);
int main(void)
{
    using debts::Debt;
    using debts::showDebt;
    Debt golf = { {"Benny", "Goatsniff"}, 120.0 };
    showDebt(golf);
    other();
    another();
    
    return 0;
}

void other(void)
{
    using std::cout;
    using std::endl;
    using namespace debts;
    Person dg = {"Doodles", "Glister"};
    showPerson(dg);
    cout << endl;
    Debt zippy[3];
    int i;
    
    for (i = 0; i < 3; i++)
        getDebt(zippy[i]);

    for (i = 0; i < 3; i++)
        showDebt(zippy[i]);
    cout << "Total debt: $" << sumDebts(zippy, 3) << endl;
    
    return;
}

void another(void)
{
    using pers::Person;;
    
    Person collector = { "Milo", "Rightshift" };
    pers::showPerson(collector);
    std::cout << std::endl; 
}

// namesp.cpp -- namespaces
#include <iostream>
#include "namesp.h"

namespace pers
{
    using std::cout;
    using std::cin;
    void getPerson(Person & rp)
    {
        cout << "Enter first name: ";
        cin >> rp.fname;
        cout << "Enter last name: ";
        cin >> rp.lname;
    }
    
    void showPerson(const Person & rp)
    {
        std::cout << rp.lname << ", " << rp.fname;
    }
}

namespace debts
{
    void getDebt(Debt & rd)
    {
        getPerson(rd.name);
        std::cout << "Enter debt: ";
        std::cin >> rd.amount;
    }
    
    void showDebt(const Debt & rd)
    {
        showPerson(rd.name);
        std::cout <<": $" << rd.amount << std::endl;
    }
    
    double sumDebts(const Debt ar[], int n)
    {
        double total = 0;
        for (int i = 0; i < n; i++)
            total += ar[i].amount;
        return total;
    }
}

void bar();

#include "foo.h"

void bar() {
    // Implementatie hier
}

void bar();

void bar() {
    // Implementatie hier
}