#include <iostream>using namespace std;_______________________void One(float one) { cout << "1" << endl; }void Two(float two) { cout << "2" << endl; }void Three(float three) { cout << "3" << endl; }int main() { float i = 1, j = 2, k = 3; function = One; function(i); function = Two; function(j); function = Three; function(k);}函数指针与指针函数地区别