Размер структуры

struct T
{
    char i;
    int a;
    int b;
    int c;
    char j;
};
 
int main()
{
    T t;
    std::cout << sizeof(T);
    system("pause>nul");
}

char x[3];

short x;

struct T
{
    short int i;
    int a = 66;
    int b = 77;
    int c = 88;
    char j;
};
 
void show(const char* aT, size_t size)
{
    for (int i = 0; i < size; ++i)
        std::cout << "i " << static_cast<int>(aT[i]) << "\n";
}
 
int main()
{
    T t;
    show(static_cast<char*>(static_cast<void*>(&t)), sizeof(t));
    system("pause>nul");
}

struct T
{
    char i = 0;
    char j = 0;
    char g = 0;
    char h = 0;
    int a = 66;
    int b = 77;
};
 
void show(const char* aT, size_t size)
{
    for (int i = 0; i < size; ++i)
        std::cout << "i " << static_cast<int>(aT[i]) << "\n";
}
 
int main()
{
    T t;
    show(static_cast<char*>(static_cast<void*>(&t)), sizeof(t));
    system("pause>nul");
}

struct T1
{
    int c = 88;
    char j = 0;
};
 
struct T2
{
    char i = 0;
};
 
void show(const char* aT, size_t size)
{
    std::cout << "\nNEW\n";
    for (int i = 0; i < size; ++i)
        std::cout << i << " " << static_cast<int>(aT[i]) << "\n";
}
 
int main()
{
    T1 t1;
    T2 t2;
    show(static_cast<char*>(static_cast<void*>(&t1)), sizeof(t1));
    show(static_cast<char*>(static_cast<void*>(&t2)), sizeof(t2));
    system("pause>nul");
}