Проинциализировать и использовать массив указателей на функции

    void a();
    void b();
    void c();
    void (*funPtrsArray[3])() = {a, b, c};//ошибка "a brace-enclosed initializer is not allowed here before '{' token"
                      //ISO C++ forbids initialization of member 'funPtrsArray'

    void a();
    void b();
    void c();
    void (*funPtrsArray[3])();

funPtrsArray = { a, b, c};//ошибка: incompatible types in assignment of '<brace-enclosed initializer list>' to 'void (* [0])()'

void (*funPtrsArray[3])();//объявил. Не ругается

funPtrsArray[0] = &a;//ошибка: ISO C++ forbids taking the address of an unqualified or parenthesized non-static member function to form a pointer to member function.

class A
{
public:
    void a();
    void b();
    void c();
    
    void (A::*funPtrsArray[3])() = {&A::a, &A::b, &A::c};
};

#include <iostream>
using namespace std;
 
void a(){cout<<"a"<<endl;}
void b(){cout<<"b"<<endl;}
void c(){cout<<"c"<<endl;}
void (*funPtrsArray[])() = {a, b, c};//ошибка "a brace-enclosed initializer is not allowed here before '{' token"
                      //ISO C++ forbids initialization of member 'funPtrsArray'
 
int main(){
    funPtrsArray[1]();
    return 0;
}

#include <iostream>
using namespace std;
 
class ctest{
    
public:
static void a(){cout<<"a"<<endl;}
static void b(){cout<<"b"<<endl;}
static void c(){cout<<"c"<<endl;}
static void (*funPtrsArray[3])(); 
};
 
void (*ctest::funPtrsArray[3])() = {ctest::a, ctest::b, ctest::c};
 
int main(){
    ctest::funPtrsArray[1]();
    return 0;
}

class Dialog : public QDialog
{
    Q_OBJECT
public:
    explicit Dialog(QWidget *parent = 0);
    ~Dialog();
    
private:
    Ui::Dialog *ui;
    void a();
    void b();
    void c();
    void (Dialog::*funPtrsArray[3])() = { &Dialog::a, &Dialog::b, &Dialog::c };
};

Dialog::Dialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::Dialog)
{
    ui->setupUi(this);
 
    funPtrsArray[0] = &Dialog::a;
    funPtrsArray[1] = &Dialog::b;
    funPtrsArray[2] = &Dialog::c;
}

class Dialog : public QDialog
{
    Q_OBJECT
public:
    explicit Dialog(QWidget *parent = 0);
    ~Dialog();
    
private:
    Ui::Dialog *ui;
    void a();
    void b();
    void c();
    void (Dialog::*funPtrsArray[3])();
};