peo.h

来自「c++书籍的源代码」· C头文件 代码 · 共 45 行

//peo.h
#ifndef _P
#define _P
 class peo
{
 friend class list;
 protected:
  char name[20];
  peo* next;
 public:
  peo(const char*);
  virtual ~peo();
  virtual void display(void)=0; 
}; 
 class stu:public peo
{
 protected:
  double score;
 public:
  stu(const char*,double);
  ~stu();
  void display(void);
};
 class tec:public peo
{
 protected:
  int age;
 public:
  tec(const char*,int);
  ~tec();
  void display(void);
};
 class list
{
 protected:
  peo* head;
 public:
  list(void);
  ~list();
  void insert(peo*);
  void del(const char*);
  void ser(const char*);
  void display();
};
#endif