// Program file:  demoBoolean.cpp
// Demos the use of the bool data type

#include <iostream>
#include <conio.c>

bool isAnAdult(int a);
bool isASmoker(char s);
void getData(char n[], int &a, char &s);
void writeData(char n[], bool a, bool s);

using namespace std;

int main()
{
    char name[11];
    int age;
    char smoker;
    
    bool isOver21, isSmoker;
    char done = 'N';
     
    while (done != 'Y' && done != 'y')
    {
        clrscr();
        getData(name, age, smoker);
        isOver21 = isAnAdult(age);
        isSmoker = isASmoker(smoker);
        writeData(name, isOver21, isSmoker);
        
        cout << "Done entering data (Y/N):  ";
        cin >> done;
    }
    
    cout << "End of program . . .";
    getch();
    return 0;
}

bool isAnAdult(int a)
{
    if (a >= 21)
        return true;
    else
        return false;
}

bool isASmoker(char s)
{
    if (s == 'Y' || s == 'y')
        return true;
    else
        return false;
}








void getData(char n[], int &a, char &s)
{
    cout << "Enter a name:            ";
    cin >> n;
    cout << "Enter an age:            ";
    cin >> a;
    cout << "Enter 'Y/N' for smoker:  ";
    cin >> s;
}

void writeData(char n[], bool a, bool s)
{
    int count = 0;
    cout << "The name is " << n << endl;
    if (a)
        cout << n << " is 21 or over" << endl;
    else
        cout << n << " is under 21" << endl;
    cout << n << " is a smoker?  " << s << endl;
    count = a + s;
    cout << "Age + Smoker is " << count << endl;
}