Count letters

// include files
#include <iostream>
#include <string>
#include <vector>
#include <conio.h>
#include <Windows.h>

// define variables
#define NUMLETTER 29
#define SPECIAL 39
#define MAX 1024
#define quote ""

using namespace std;

// vectors being used
vector<string>strVec;
vector<string>upperLetters;
vector<string>lowerLetters;
vector<string>specialCharacters;

// The pointer will be used to divide the sentence to characters (letters, whitespaces and such things)
string userText, g_str;
const char *pointer;

// a lot of integers
short int i, j, total_lower, total_upper, total_special, total_whitespace, length, runAgain;

// Norwegian letters as hexcode
// æ = 91, ø = 9B, å = 86
// Æ = 92, Ø = 9D, Å = 8F

// string arrays for comparison
string upper[] = {"A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","\x92","\x9D","\x8F"};
string lower[] = {"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","\x91","\x9B","\x86"};
string special[] = {"|","§","!","#","¤","%","&","/","(",")","=","+","?","`","\"","¨","^","<",">","*",".",",","_",":",";", "'","@","£","$","{","[","]","}","´","~","€","+","-", quote};
string whitespace[] = {" "};


// Initializing the variables and emptying the vectors.
void init()
{
    // Everything should be set to 0
    i=j=total_lower=total_upper=total_special=total_whitespace=length=runAgain=0;

    // All the vectors of string type should be empty
    while(!strVec.empty())
        strVec.pop_back();
    while(!upperLetters.empty())
        upperLetters.pop_back();
    while(!lowerLetters.empty())
        lowerLetters.pop_back();
    while(!specialCharacters.empty())
        specialCharacters.pop_back();

    // This is not really necessary, but it is logic that the pointer to the user's text is set to NULL or 0.
    while(pointer != NULL)
        pointer = NULL;
}

void userDefinedFunction()
{
    init();

    cout << "Your sentence: ";
    getline(cin, userText);

    pointer = userText.c_str();

    while(*pointer != '\0')
    {
        g_str = *pointer;
        strVec.push_back(g_str);
        *pointer++;
        length++;
    }

    cout << "\n\nOk, you wrote this sentence:\n";
    for(i=0; i<length; i++)
    {
        for(j=0; j<1; j++)
            if(strVec[i] == whitespace[j])
            {
                cout << endl;
            }
            else
                cout << strVec[i];
    }

    for(i=0; i<length; i++)
    {
        for(j=0; j<NUMLETTER; j++)
        {
            if(strVec[i].compare(upper[j]) == 0)
            {
                upperLetters.push_back(upper[j]);
                total_upper++;
            }
        }
    }

    for(i=0; i<length; i++)
    {
        for(j=0; j<NUMLETTER; j++)
        {
            if(strVec[i].compare(lower[j]) == 0)
            {
                lowerLetters.push_back(lower[j]);
                total_lower++;
            }
        }
    }

    for(i=0; i<length; i++)
    {
        for(j=0; j<SPECIAL; j++)
        {
            if(strVec[i].compare(special[j]) == 0)
            {
                specialCharacters.push_back(special[j]);
                total_special++;
            }
        }
    }

    for(i=0; i<length; i++)
    {
        for(j=0; j<1; j++)
        {
            if(strVec[i].compare(whitespace[j]) == 0)
            {
                total_whitespace++;
            }
        }
    }


    // Grammar....
    if(total_whitespace == 0)
        cout << "\n\n\nThe total of characters is: " << length;
    else if(total_whitespace == 1)
        cout << "\n\n\nThe total of characters (including the whitespace character) is: " << length;
    else if(total_whitespace > 1)
        cout << "\n\n\nThe total of characters (including the whitespace characters) is: " << length;


    if(total_upper > 0)
    {
        if(total_upper == 1)
            cout << "\n\nYou used a total of " << total_upper << " uppercase letter:\n";
        else
            cout << "\n\nYou used a total of " << total_upper << " uppercase letters:\n";
    }
    for(i=0; i<total_upper; i++)
    {
        if(i<total_upper-1)
            cout << upperLetters[i] << " ";
        else
            cout << upperLetters[i] << "\n";
    }

    if(total_lower > 0)
    {
        if(total_lower == 1)
            cout << "\n\nYou used a total of " << total_lower << " lowercase letter:\n";
        else
            cout << "\n\nYou used a total of " << total_lower << " lowercase letters:\n";
    }
    for(i=0; i<total_lower; i++)
    {
        if(i<total_lower-1)
            cout << lowerLetters[i] << " ";
        else
            cout << lowerLetters[i] << "\n";
    }

    if(total_special > 0)
    {
        if(total_special == 1)
            cout << "\n\nThere is a total of " << total_special << " special character being used:\n";
        else
            cout << "\n\nThere is a total of " << total_special << " special characters being used:\n";
    }
    for(i=0; i<total_special; i++)
    {
        if(i<total_special-1)
            cout << specialCharacters[i] << " ";
        else
            cout << specialCharacters[i] << "\n";
    }
    if(total_whitespace > 0)
    {
        if(total_whitespace == 1)
            cout << "\n\nThere is a total of " << total_whitespace << " whitespace character being used.";
        else
            cout << "\n\nThere is a total of " << total_whitespace << " whitespace characters being used.";
    }
}

// run() is being used in the main function, we just need to make it available for main() to get access to run()
void run();

int main()
{
    HWND console = GetConsoleWindow();
    RECT r;
    GetWindowRect(console, &r);
    MoveWindow(console, 100, 60, 800, 600, TRUE);

    // Welcome to you!
    cout << "\nNow we will count some letters, white spaces and special characters.\n";
    cout << "Please enter a sentence and press Enter when you have written it.\n\n";

    // Time for input, counting and printing to the screen.
    userDefinedFunction();

    // Does the user want to try again? Yes, No, default: run again.
    run();
    return 0;
}

void clearScreen()
{
    // Clear the screen to make it look more clean!
    system("CLS");
}

void run()
{
    cout << "\n\nWould you like to run this program again? Y = yes, N = no.\nYour choice: ";
    runAgain = _getch();

    clearScreen();

    if(runAgain == 'y' || runAgain == 'Y')
        main();
    else if(runAgain == 'n' || runAgain == 'N')
        // do nothing
        ;
    else
        run();
}