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#include <iostream>
using namespace std;

struct Teacher
{
	char name[64];
	int age;
};

int getTeacher(Teacher** p)
{
	Teacher* tmp = NULL;
	tmp = new Teacher;
	if (tmp == NULL)
	{
		return -1;
	}
	tmp->age = 33;
	*p = tmp;
	return 0;
}

int getTeacher2(Teacher* &myp)
{
	myp = new Teacher;
	if (myp == NULL)
	{
		return -1;
	}
	myp->age = 36;
	return 0;
}

void FreeTeacher(Teacher* &myp)
{
	if (myp == NULL)
	{
		return;
	}
	delete myp;
}

int main()
{
	int ret = 0;
	Teacher* pt1 = NULL;
	ret = getTeacher(&pt1);
	if (ret != 0)
	{
		cout << "func getTeacher() error" << endl;
	}
	cout << "Age=" << pt1->age << endl;
	ret = getTeacher2(pt1);
	if (ret != 0)
	{
		cout << "func getTeacher2() error" << endl;
	}
	cout << "Age2=" << pt1->age << endl;
	FreeTeacher(pt1);
	system("pause");
	return 0;
}