C++ reinterpret_cast使用

#include<iostream>

using namespace std;

int main(){
	int i;
	float f=-6.9072;

	//将float指针转换为字符指针
	unsigned char* p=reinterpret_cast<unsigned char*>(&f);
	cout<<hex;//print bytes of f in hex

	for(i=0; i<sizeof(float);i++)
		cout<<static_cast<int>(p[i])<<endl;
}