Тип данных "Anketa" - не получается ввести пол

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <windows.h>
#include <clocale>
 
using namespace std;
 
struct ANKETA
{
int age;
char sex[30];
char edu[40];
char answ[30];
};
 
struct STR
{
ANKETA *Anketa;
STR *next;
};
 
STR * create(ANKETA *Anketa)
{
STR *root = new STR;
root -> Anketa = Anketa;
root -> next = NULL;
return root;
}
 
void add(ANKETA *Anketa, STR* root)
{
while(root -> next)
root = root -> next;
root -> next = new STR;
root -> next -> Anketa = Anketa;
root -> next -> next = NULL;
}
 
void printANKETA(ANKETA *Anketa)
{
cout << "Age: " << Anketa -> age << endl;
cout << "Gender: " << Anketa -> sex << endl;
cout << "Education : " << Anketa -> edu << endl;
cout << "Answer: " << Anketa -> answ << endl;
cout << endl;
}
 
ANKETA * makeANKETA()
{
cout << "Vvedite dannye ankety: " << endl;
ANKETA *Anketa = new ANKETA;
fflush(stdin);
cout << "Enter age: ";
cin >> Anketa -> age;
 
cout << "Enter gender: ";
cin.getline(Anketa -> sex,30);
 
cout << "Enter education(primary, average, higher): ";
cin.getline(Anketa -> edu,40);
 
cout << "Enter answer: ";
cin.getline(Anketa -> answ,30);
 
return Anketa;
}
 
int choice()
{
int answer;
_getch();
system("cls");
cout << "Menu" << endl;
cout << "1. Dobavit novuyu anketu" << endl;
cout << "2. Vivod bazi anket na ekran" << endl;
cout << "3. Poisk anket" << endl;
cout << "4. Quit" << endl;
cout << "Viberite deystvie: ";
cin >> answer;
fflush(stdin);
if(answer >= 1 && answer <= 3)
return answer;
else
return 0;
}
 
int main()
{setlocale (0,"Rus");
STR *root = NULL;
int ch;
while(1)
{
ch = choice();
if(ch == 1)
{
cout << endl;
if(root == NULL)
root = create(makeANKETA());
else
add(makeANKETA(),root);
}
 
else if(ch==2)
{
cout << endl;
int i = 0;
int N = 0;
 
STR *proot = root;
while (root)
{
N++;
root = root -> next;
}
 
ANKETA **pAnketa=new ANKETA*[N];
root = proot;
 
while (root)
{
pAnketa[i] = root -> Anketa;
root = root -> next;
i++;
}
 
root = proot;
 
for (i = 0; i < N; i++)
printANKETA(pAnketa[i]);
 
}
 
else if(ch == 3)
{
char qwe[30], q[1];
cout << "Enter age, gender, education and answer: " << endl;
cin.getline(qwe,30);
}}}