C++实现用指针复制字符串

#include <iostream>using namespace std;int main() {char str1[] = "I love CHINA!",str2[20],*p1,*p2;p1 = str1;p2 = str2;char *p4="Wo ye Cuo";while(*p1!='\0'){*p2++=*p1++;}*p2='\0';p1=str1;cout<<str2<<endl;p2=str2;cout << "str1 is: "<<p1<<endl;cout << "str2 is: "<<p2<<endl;return 0;}