静态成员函数单链表插入
class A {

struct B {
C *m_function;
struct B *m_next;
};

static struct B *head;

public:
static void insert(C *f);
};

A::B *A::head;

void A::insert(C *f)
{
struct B *old=head;
head = new struct B;
head->m_function = f;
head->m_next = old;

}

C::C()
{

A::insert(this);
}

有段错误
[解决办法]