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#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <ctime>
#include <windows.h>
using namespace std;
 
struct Date
{
    int day;
    int month;
    int year;
};
 
enum Gender
{
    UNKNOWN,MALE,FEMALE
};
 
struct Person
{
    char *name;
    Date birthday;
    Gender gender;
 
};
 
void print(const Person&obj)
{
    if (obj.name == NULL) {return;}
    cout << "Name: " << obj.name << endl;
    cout << "Birthday: " << obj.birthday.day << "."<< obj.birthday.month << "." << obj.birthday.year << endl;
    cout << "Gender: ";
    switch (obj.gender)
    {
    case MALE:
        cout << "MALE" << endl;
        break;
    case FEMALE:
        cout << "FEMALE" << endl;
        break;
    default:
        cout << "UNKNOWN" << endl;
        break;
    }
}
 
void set_person(Person& obj)
{
    cout << "Enter full name: ";
    char buf[30];
    cin.getline(buf, 30);
    obj.name = _strdup(buf);
    cout << "Birthday" << endl;
    cout << "Day: ";
    cin >> obj.birthday.day;
    cout << "Month: ";
    cin >> obj.birthday.month;
    cout << "Year: ";
    cin >> obj.birthday.year;
    cin.ignore();
    cout << "Enter the gender(MALE FEMALE UNKNOWN) -> ";
    cin.getline(buf, 30);
    if (strcmp(buf, "MALE")==0)
    {
        obj.gender = MALE;
    }
    else if (strcmp(buf, "FEMALE")==0)
    {
        obj.gender = FEMALE;
    }
    else
    {
        obj.gender = UNKNOWN;
    }
}
 
void save_person(Person &obj)
{
    FILE *f = fopen("Person.lol", "wb");
    if (f)
    {
        fwrite(&obj, sizeof(obj), 1, f);
        int tmp = strlen(obj.name) + 1;
        fwrite(&tmp, sizeof(int), 1, f);
        fwrite(obj.name, sizeof(char), tmp, f);
        fclose;
    }
}
 
void load_person(Person&obj)
{
    FILE *f = fopen("Person.lol", "rb");
    if (f)
    {
        fread(&obj, sizeof(obj), 1, f);
        int tmp;
        fread(&tmp, sizeof(int), 1, f); //<---ТУТ
        obj.name = new char[tmp];
        fread(obj.name, sizeof(char), tmp, f);
        fclose;
    }
}
 
int main()
{
    srand(time(NULL));
    SetConsoleOutputCP(1251);
    SetConsoleCP(1251);
 
    //{"Vasya Pupkin",12,04,2000,MALE }; Для тестов если понадобится.
 
    int allgroup = 5;
    Person* group = new Person [allgroup];
    set_person(group[0]);
    save_person(group[0]);
    load_person(group[0]);
    print(group[0]);
    delete[] group;
 
    system("pause");
    return 0;
}

fclose(f);

fclose(f);