Как добавить в готовый проект указатели

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>//no
#include <stdlib.h>//no
#include <conio.h>
#include <dos.h>//no
#include <fstream>//pfc
#include <string.h>
#include <iostream>
#include <windows.h>
#include <math.h>
#include <TIME.H>
#include <SYS\TYPES.H>
using namespace std;
 
// Struct
const int STR_SIZE = 20;
struct record
{
    int  Zamov;
    char Posluga[STR_SIZE];
    char Vartist[STR_SIZE];
    char TerminFirma[STR_SIZE];
    char TerminZamovnuk[STR_SIZE];
    char Nadbavka[STR_SIZE];
    char VartistMaterialy[STR_SIZE];
    char PidsymkovaSum[STR_SIZE];
};
//function prototypes
int ZastBeg();
void ProsmotrBD();
void CreateBD();
void AddRecord();
void AddRecord(const record & r);
void LoadBD();
void SaveBD();
int ChooseRecord();
void EditRecord();
void DeleteRecord();
void FindRecord();
void SortBD();
int Exit();
void ZastEnd();
int Get(int min, long max);
//Globals
static record * records = 0;
static long int nrecords = 0;
const int menupuncts = 10;
static char menu[menupuncts][30] ={ 
                "Prosmotr_bazu_dannux",
                "Dobavlenie_zapisi",
                "Sozdanie_bazu_dannux",
                "Zagryzit_bazy_dannux",
                "Sohranit_bazy_dannux",
                "Izmenenie_zapisi",
                "Delate_bazy_dannux",
                "Sortirovka_bazu_dannux",
                "Poisk_zapisi",
                "Exit" };
const int sortmenupuncts = 9;
static char sortmenu[sortmenupuncts][40] = { "Sort",
"Sortir",
"Sortir",
"Sortir",
"Sortirk",
"Sortir",
"Sortir",
"Sortir" };
int YesNoDialog()
{
    cout<<"\n<Enter> - yes, <Esc> - no"<<endl;
    int c;
    do
    {
        c = _getch();
    } while (c != 13 && c != 27);
    return c;
}   
 
int Menu()
{
    int choice = 0;
    int loop = 1;
    while (loop == 1)
    {
        system("cls");//clrscr();
        using namespace std;
        for (int i = 0; i<menupuncts; ++i)
        {
            if (i == choice)
                cout<<">"<< menu[i] << endl;
            else
                cout<< menu[i]<<endl;
        }
        cout<<"\n\nNazhmite vverx/vniz dlia peredvizhenia kursora, nazhmite <Enter> dlia vibora deistvia";
        int c = _getch();
        switch (c)
        {
        case 72: --choice; break;
        case 80: ++choice; break;
        case 13: loop = 0; break;
        default:break;
        }
        if (choice < 0) choice = menupuncts - 1;
        if (choice >= menupuncts) choice = 0;
    }
    return choice;
}
void pos(int column, int line)
{
    COORD coord;
    coord.X = column;
    coord.Y = line;
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
}
int ZastBeg()//ZAST_BEG
{
    setlocale(LC_ALL, "rus");
    system("color 0");
    pos(20, 10);
    cout<<"Курсова робота"<<endl;
    pos(20, 11);
    cout<<"Облiк робiт будiвельно-оздоблювальноi органiзацii"<<endl;
    pos(20, 12);
    cout<<"Виконав курсант групи 3-031 Степанчук В.I.  "<<endl;
    int c = _getch();   system("cls");;  system("color 07");
    return c;
}
void ZastEnd()//ZastEnd
{
    setlocale(LC_ALL, "rus");
    system("cls");;
    cout<<"Приходите ще!"<<endl;
    _getch();
}
int Exit()//Vixod
{
    setlocale(LC_ALL, "rus");
    system("cls");;
    cout<<"\n Ви впевненi що хочете вийти?"<<endl;
    return  YesNoDialog();
}
int main()
{
    if (ZastBeg() != 27)
    {
        int loop = 1;
        while (loop == 1)
        {
            int p = Menu();
            switch (p)
            {
            case 0: ProsmotrBD(); break;
            case 1: AddRecord(); break;
            case 2: CreateBD(); break;
            case 3: LoadBD(); break;
            case 4: SaveBD(); break;
            case 5: EditRecord(); break;
            case 6: DeleteRecord(); break;
            case 7: SortBD(); break;
            case 8: FindRecord(); break;
            case 9: if (Exit() != 27) loop = 0; break;
            }
        }
    }
    else ZastEnd();
    return 0;
}
static char filename[32]; //FileDialog
char * FileDialog()
{
    system("cls");;
    cout<<"Input imia file:"<<endl;
    fscanf(stdin, "%s", filename);
    return filename;
}
void InputRecord(record & rec) //Vvod zapisi
{
    system("cls");;
    int c;
    if (_kbhit())_getch();
    rec.Zamov = 0;
    rec.Posluga[0] = 0;
    rec.Vartist[0] = 0;
    rec.TerminFirma[0] = 0;
    rec.TerminZamovnuk[0] = 0;
    rec.Nadbavka[0] = 0;
    rec.VartistMaterialy[0] = 0;
    rec.PidsymkovaSum[0] = 0;
    do{
        cout<<"\nInput Zamov :"<<endl;
        rec.Zamov = Get(1, 9999);
        cout<<"\nInput Posluga :"<<endl;
        while (rec.Posluga[0] == 0)gets(rec.Posluga);
        cout<<"\nInput Vartist :"<<endl;
        while (rec.Vartist[0] == 0)gets(rec.Vartist);
        cout<<"\nInput TerminFirma :"<<endl;
        while (rec.TerminFirma[0] == 0)gets(rec.TerminFirma);
        cout<<"\nInput TerminZamovnuk :"<<endl;
        while (rec.TerminZamovnuk[0] == 0)gets(rec.TerminZamovnuk);
        cout << "\nInput Nadbavka :" << endl;;
        while (rec.Nadbavka[0] == 0)gets(rec.Nadbavka);
        cout << "\nInput VartistMaterialy :" << endl;;
        while (rec.VartistMaterialy[0] == 0)gets(rec.VartistMaterialy);
        cout << "\nInput PidsymkovaSum :" << endl;;
        while (rec.PidsymkovaSum[0] == 0)gets(rec.PidsymkovaSum);
        cout << "\nVi yvereni?" << endl;;
        c = YesNoDialog();
    } while (c != 13);
}
void AddRecord(const record & r) //DobavlenieRecord
{
    ++nrecords;
    record * newrecords = new record[nrecords];
    if (records) {
        memcpy(newrecords, records, (nrecords - 1) * sizeof(record));
    }
    delete[] records;
    records = newrecords;
    records[nrecords - 1] = r;
}
void AddRecord()
{
    record r;
    InputRecord(r);
    AddRecord(r);
}
int IsInString(const char *string, const char *search_for) //poisk zapisi
{
    int maxpos = 0;
    while (search_for[++maxpos] != 0);
    int len = 0;
    while (string[++len] != 0);
    for (int i = 0; i<len; i++)
    {
        int add = 0;
        while (string[i + add] == search_for[add])
        {
            if (add == maxpos - 1)return 1;
            ++add;
        }
    }
    return 0;
}
int RecordsSimilar(const record & a, const record & b)
{
    int result = 1;
    if (b.Zamov != -1)if (a.Zamov != b.Zamov)result = 0;
    if (b.Posluga[0] != '-' && b.Posluga[1] != 0)if (IsInString(a.Posluga, b.Posluga) == 0)result = 0;
    if (b.Vartist[0] != '-' && b.Vartist[1] != 0)if (IsInString(a.Vartist, b.Vartist) == 0)result = 0;
    if (b.TerminFirma[0] != '-' && b.TerminFirma[1] != 0)if (IsInString(a.TerminFirma, b.TerminFirma) == 0)result = 0;
    if (b.TerminZamovnuk[0] != '-' && b.TerminZamovnuk[1] != 0)if (IsInString(a.TerminZamovnuk, b.TerminZamovnuk) == 0)result = 0;
    if (b.Nadbavka[0] != '-' && b.Nadbavka[1] != 0)if (IsInString(a.Nadbavka, b.Nadbavka) == 0)result = 0;
    if (b.VartistMaterialy[0] != '-' && b.VartistMaterialy[1] != 0)if (IsInString(a.VartistMaterialy, b.VartistMaterialy) == 0)result = 0;
    if (b.PidsymkovaSum[0] != '-' && b.PidsymkovaSum[1] != 0)if (IsInString(a.PidsymkovaSum, b.PidsymkovaSum) == 0)result = 0;
    return result;
}
void FindRecord()
{
    if (!records)
    {
        system("cls");;
        cout<<"\nNet zapisi, nazhmite lubyu klavishy." << endl;
        _getch();
    }
    else{
        system("cls");;
        record rec;
        if (_kbhit())_getch();
        rec.Zamov = 0;
        rec.Posluga[0] = 0;
        rec.Vartist[0] = 0;
        rec.TerminFirma[0] = 0;
        rec.TerminZamovnuk[0] = 0;
        rec.Nadbavka[0] = 0;
        rec.VartistMaterialy[0] = 0;
        rec.PidsymkovaSum[0] = 0;
        cout << "Input nazvanie zagolovka zapisi,dlia poiska po\n" << endl;
        cout << "\nInput Zamov,\nprint -1 if you don't want to search by this field:" << endl;
        rec.Zamov = Get(-1, 90000);
        cout << "\nInput Posluga ,\nprint - if you don't want to search by this field:" << endl;
        while (rec.Posluga[0] == 0)gets(rec.Posluga);
        cout << "\nInput Vartist ,\nprint - if you don't want to search by this field:" << endl;
        while (rec.Vartist[0] == 0)gets(rec.Vartist);
        cout << "\nInput TerminFirma ,\nprint - if you don't want to search by this field:" << endl;
        while (rec.TerminFirma[0] == 0)gets(rec.TerminFirma);
        cout << "\nInput TerminZamovnuk ,\nprint - if you don't want to search by this field:" << endl;
        while (rec.TerminZamovnuk[0] == 0)gets(rec.TerminZamovnuk);
        cout << "\nInput Nadbavka ,\nprint - if you don't want to search by this field:" << endl;
        while (rec.Nadbavka[0] == 0)gets(rec.Nadbavka);
        cout << "\nInput VartistMaterialy ,\nprint - if you don't want to search by this field:" << endl;
        while (rec.VartistMaterialy[0] == 0)gets(rec.VartistMaterialy);
        cout << "\nInput PidsymkovaSum ,\nprint - if you don't want to search by this field:" << endl;
        while (rec.PidsymkovaSum[0] == 0)gets(rec.PidsymkovaSum);
        record * oldrecords = records;
        int oldnrecords = nrecords;
        records = 0;
        nrecords = 0;
        int n = 0;
        for (int i = 0; i<oldnrecords; ++i)
        {
            if (RecordsSimilar(oldrecords[i], rec) == 1)
            {
                AddRecord(oldrecords[i]);
                ++n;
            }
        }   if (n>0)
        {
            cout<<" Zapis naidena! Nazhmite ludyu klavishy dlia prosmotra."<< n << endl;
            _getch();
            ProsmotrBD();
        }
        else
        {
            cout<<"Nichego ne naideno."<<endl;
            _getch();
        }
        if (records)delete[] records;
        records = oldrecords;
        nrecords = oldnrecords;
    }
}

void OutputRecord(record & rec) //Vivod zapisi
{
    cout << " | " << rec.Zamov << " | " << rec.Posluga << " | " << rec.Vartist << " | " << rec.TerminFirma << " | " << rec.TerminZamovnuk << " | " << rec.Nadbavka << " | " << rec.VartistMaterialy << " | " << rec.PidsymkovaSum << endl;
}
void OutputTable(int start, int n) //Vivod tablici
{
    if (!records)
    {
        system("cls");//clrscr();
        cout << "\nNet zapisi, nazhmite lubyu klavishy." << endl;
        _getch();
    }
    else
    {
        if (start<0)start = 0;
        if (start + n > nrecords) n = nrecords - start;
        if (n>0)
        {
            cout << "N: |Zamov|Posluga|Vartist|TerminFirma|TerminZamovnuk|Nadbavka|VartistMaterialy|PidsymkovaSum \n" << endl;
            for (int i = start; i<start + n; ++i)
            {
                cout << "N: "<< (i % nrecords) + 1;
                OutputRecord(records[(i % nrecords)]);
            }
        }
    }
}
int SortMenu()//SortirovkaMenu
{
    int choice = 0;
    int loop = 1;
    while (loop == 1)
    {
        system("cls");//clrscr();
        for (int i = 0; i<sortmenupuncts; ++i)
        {
            if (i == choice)
                cout << " >" << sortmenu[i] << endl;
            else
                cout << sortmenu[i] << endl;
        }
        printf("\n\nNazhmite vverx/vniz dlia peredvizhenia kursora, nazhmite <Enter> dlia vibora deistvia.");
        int c = _getch();
        switch (c)
        {
        case 72: --choice; break;
        case 80: ++choice; break;
        case 13: loop = 0; break;
        default:break;
        }
        if (choice < 0) choice = sortmenupuncts - 1;
        if (choice >= sortmenupuncts) choice = 0;
    }
    return choice;
}
static record c;
void swap(record & a, record & b) //Sortirovka BD
{
    c = a;
    a = b;
    b = c;
}
void SortBD()
{
    if (!records)
    {
        system("cls");//clrscr();
        printf("\nNet zapisi, nazhmite lubyu klavishy.");
        _getch();
    }
    else
    {
        int c = SortMenu();
        switch (c)
        {
        case 0:
        {   for (int i = 0; i<nrecords; ++i)
        for (int k = 0; k<nrecords - 1; ++k)
        if (records[k].Zamov > records[k + 1].Zamov)swap(records[k], records[k + 1]);
        break; }
        case 1:
        {   for (int i = 0; i<nrecords; ++i)
        for (int k = 0; k<nrecords - 1; ++k)
        if (strcmp(records[k].Posluga, records[k + 1].Posluga) > 0)swap(records[k], records[k + 1]);
        break; }
        case 2:
        {   for (int i = 0; i<nrecords; ++i)
        for (int k = 0; k<nrecords - 1; ++k)
        if (strcmp(records[k].Vartist, records[k + 1].Vartist) > 0)swap(records[k], records[k + 1]);
        break; }
        case 3:
        {   for (int i = 0; i<nrecords; ++i)
        for (int k = 0; k<nrecords - 1; ++k)
        if (strcmp(records[k].TerminFirma, records[k + 1].TerminFirma) > 0)swap(records[k], records[k + 1]);
        break; }
        case 4:
        {   for (int i = 0; i<nrecords; ++i)
        for (int k = 0; k<nrecords - 1; ++k)
        if (strcmp(records[k].TerminZamovnuk, records[k + 1].TerminZamovnuk) > 0)swap(records[k], records[k + 1]);
        break; }
        case 5:
        {   for (int i = 0; i<nrecords; ++i)
        for (int k = 0; k<nrecords - 1; ++k)
        if (strcmp(records[k].Nadbavka, records[k + 1].Nadbavka) > 0)swap(records[k], records[k + 1]);
        break; }
        case 6:
        {   for (int i = 0; i<nrecords; ++i)
        for (int k = 0; k<nrecords - 1; ++k)
        if (strcmp(records[k].VartistMaterialy, records[k + 1].VartistMaterialy) > 0)swap(records[k], records[k + 1]);
        break; }
        case 7:
        {   for (int i = 0; i<nrecords; ++i)
        for (int k = 0; k<nrecords - 1; ++k)
        if (strcmp(records[k].PidsymkovaSum, records[k + 1].PidsymkovaSum) > 0)swap(records[k], records[k + 1]);
        break; }
        }
    }
}
void ProsmotrBD()//ProsmotrBD
{
    if (!records)
    {
        system("cls");;
        printf("\nNet zapisi, nazhmite lubyu klavishy.");
        _getch();
    }
    else
    {
        int loop = 1;
        int n = 0;
        while (loop == 1)
        {
            system("cls");;
            OutputTable(n, 20);
            cout << ("\n\nNazhmite vverx dlia peredvizhenie vverx, vniz dlia peredvizhenia vniz,\n <Esc> dlia vozvrata v menu.");
            int c = _getch();
            switch (c)
            {
            case 72: --n; break;
            case 80: ++n; break;
            case 27: loop = 0; break;
            default:break;
            }
            if (n < 0) n = 0;
            if (n >= nrecords - 10) n = nrecords - 10;
        }
    }
}
int ChooseRecord()//ViborZapisi
{
    int choice = -1;
    if (!records)
    {
        system("cls");;
        printf("\nNet zapisi, nazhmite lubyu klavishy.");
        _getch();
    }
    else
    {
        int loop = 1;
        int n = 0;
        while (loop == 1)
        {
            system("cls");;
            printf("N: |Zamov|Posluga|Vartist|TerminFirma|TerminZamovnuk|Nadbavka|VartistMaterialy|PidsymkovaSum\n");
            printf("\n%d", n + 1);
            OutputRecord(records[n]);
            printf("\n\nNazmite vverx dlia prosmotra sledyushei zapisi, vniz dlia prosmotra predidyshei,\n<Esc> to return to menu, <Enter> to choose record.");
            int c = _getch();
            switch (c)
            {
            case 72: ++n; break;
            case 80: --n; break;
            case 27: loop = 0; break;
            case 13: loop = 0; choice = n; break;
            default:break;
            }
            if (n < 0) n = nrecords - 1;
            if (n >= nrecords) n = 0;
        }
    }
    return choice;
}
void EditRecord()//RedaktirovanieZapisi
{
    int c = ChooseRecord();
    if (c >= 0 && c<nrecords)
    {
        printf("\n\nVi yvereni shto xotite to reinput this zapis?");
        if (YesNoDialog() == 13)
        {
            InputRecord(records[c]);
        }
    }
}
void DeleteRecord()//Ydalenie zapisi
{
    int c = ChooseRecord();
    if (c >= 0 && c<nrecords)
    {
        printf("\n\nVi yvereni?chto xotite ydalit ety zapis?");
        if (YesNoDialog() == 13)
        {
            --nrecords;
            if (nrecords <= 0)
            {
                delete[] records;
                records = 0;
            }
            else{
                record * newrecords = new record[nrecords];
                int k = 0;
                for (int i = 0; i<nrecords + 1; ++i)
                {
                    if (i != c)       {
                        newrecords[k] = records[i];
                        ++k;
                    }
                }
                delete[] records;
                records = newrecords;
            }
        }
    }
}
void CreateBD()//SozdanieBD
{
    if (records)
    {
        system("cls");;
        printf("Baza dannix ne soxranena!Xotite soxranit ee?");
        if (YesNoDialog() == 13) SaveBD();
        delete[] records;
    }
    do{
        printf("Input novyu zapis:\n");
        AddRecord();
        printf("\n\nXotite prodolzhit?");
    }                                                                         while                                                                         (YesNoDialog() !=                                                                         27);
}
void SaveBD()//SoxranenieBD
{
    if (!records)
    {
        system("cls");;
        printf("\nNechego to save!!! ,nazhmite lubyu klavishy.");
        _getch();
        return;
    }
    FILE * m_fp = fopen(FileDialog(), "wb");
    if (m_fp)
    {   //Header
        fwrite("Baza_dann", 1, 9, m_fp);
        //Number of records
        fwrite(&nrecords, 1, sizeof(long int), m_fp);
        record * r = records;       //Records
        for (int i = 0; i<nrecords; ++i)
        {
            fwrite(&(r->Zamov), 1, sizeof(long int), m_fp);
            fwrite(&(r->Posluga), 1, STR_SIZE - 1, m_fp);
            fwrite(&(r->Vartist), 1, STR_SIZE - 1, m_fp);
            fwrite(&(r->TerminFirma), 1, STR_SIZE - 1, m_fp);
            fwrite(&(r->TerminZamovnuk), 1, STR_SIZE - 1, m_fp);
            fwrite(&(r->Nadbavka), 1, STR_SIZE - 1, m_fp);
            fwrite(&(r->VartistMaterialy), 1, STR_SIZE - 1, m_fp);
            fwrite(&(r->PidsymkovaSum), 1, STR_SIZE - 1, m_fp);
            ++r;
        }
        fclose(m_fp);
    }
    else
    {
        printf("\nNevozmozhno sozdat file!");
        _getch();
    }
}
void LoadBD()//ZagryzkaBD
{   if(records)
    {   system("cls");;
        printf("Baza dannix ne soxranena!Xotite soxranit ee?");
        if(YesNoDialog() == 13) SaveBD();
        delete[] records;}
    FILE * m_fp=fopen(FileDialog(), "rb");
    if(m_fp)
    {   fseek(m_fp, 0, SEEK_SET);
        char header[10];
        fread(header,1,9,m_fp);
        header[9] = 0;
        char true_header[] = "Baza_dann";
        if(memcmp(header,true_header,9) != 0)
        {   printf("Wrong file format!!!");
            _getch();
            return; }//Number of records
        fread(&nrecords, 1, sizeof(long int), m_fp);
        if(nrecords<0) nrecords = 0;
        records = new record[nrecords];
        record * r = records;
        for(int i=0;i<nrecords;++i)
        {       fread(&(r->Zamov), 1, sizeof(long int), m_fp);
                        fread(&(r->Posluga), 1, STR_SIZE - 1, m_fp);
            fread(&(r->Vartist), 1, STR_SIZE - 1, m_fp);
            fread(&(r->TerminFirma), 1, STR_SIZE - 1, m_fp);
            fread(&(r->TerminZamovnuk), 1, STR_SIZE - 1, m_fp);
                        fread(&(r->Nadbavka), 1, STR_SIZE - 1, m_fp);
                        fread(&(r->VartistMaterialy), 1, STR_SIZE - 1, m_fp);
                        fread(&(r->PidsymkovaSum), 1, STR_SIZE - 1, m_fp);
            ++r;}
        fclose(m_fp);}
    else                     
    {   printf("\nFile ne naiden");
        _getch();}}
int Get(int min, long max)
{   int i = 0;
   fflush(stdin);
    while ((i==0)||(i>max)||(i<min))
    {   _cprintf("Neverniy vvod, povtorite popitku (%d - %d): ", min,max);
        fscanf(stdin, "%d", &i);
        fflush(stdin);  }
    return i;}