demo_type_cast_4_reinterpret_cast_2.cpp

对于一个初涉VC＋＋的人来书

//****************************************************************
// reinterpret_cast操作符存在潜在危险,除非理由充分,否则尽可能不用
//****************************************************************

# include <iostream.h>

# include <iostream.h>

void main()
{
	int i=100;
	cout<<"i="<<i<<endl;

	int *pi=&i;
	cout<<"*pi="<<*pi<<endl;

	float *pf=reinterpret_cast<float *>(pi);
	cout<<"*pf="<<*pf<<endl;

	cout<<endl;

	char *ps="This is a string";
	cout<<ps<<endl;

	int j=reinterpret_cast<int>(ps);
	cout<<j<<endl;

	return;
}

/*
i=100
*pi=100
*pf=1.4013e-043

This is a string
4366364
*/