1#include <iostream>2using namespace std;3void fun(char *a, char *b) {4    a = b;5    (*a)++;6}7int main() {8    char c1, c2, *p1, *p2;9    c1 = 'A';10    c2 = 'a';11    p1 = &c1;12    p2 = &c2;13    fun(p1, p2);14    cout << c1 << c2 << endl;15    return 0;16}

输出：_________