charptr.cc

来自「资深C++讲师授课代码」· CC 代码 · 共 20 行

#include <iostream>
using namespace std;

int main()
{
	char a[10]={"good"};
	char* p = a;
	const char* q = "afternoon";
	p[2] = 'O';
	//q[2] = 'X';//ERROR!!
	char* r = "everyone";//danger!!!!
	//r[2] = '*';//runtime error!!!segementation fault!!!
	cout << a << endl;
	cout << q << endl;
	cout << r << endl;
	//char* x;//野指针!!!
	//cin >> x;//试图用指针本身来保存字符串，不允许!!!!
}