C语言相关程序

#include<iostream.h>
#include<string.h>
class student
{
public:
	student(char *pname)
	{
		cout<<"construction student  "<<pname<<endl;
		strncpy(name,pname,sizeof(name));
		cout<<endl;
		name[sizeof(name)-1]='\0';

	}
	~student()
	{
		cout<<"destructing    "<<name<<endl;
	}
protected:
	char name[20];
};
void main()
{
	student ss("zhaoyulong");
}