#include <stdio.h>
class Person {//类的首字母应该大写
private:
  char *name;
  int age;
  char *work;
public:
  void setName(char *n)
  {
  name = n;
  }
  int setAge(int a)
  {
  if (a < 0 || a > 150)
  {
    age = 0;
    return -1;
  }
  age = a;
  return 0;
  }
  void printInfo(void)
  {
  printf("name = %s, age = %d, work = %s\n", name, age, work); 
  }
};
int main(int argc, char **argv)
{
  Person per;//称per是一个类的对象
  //per.name = "zhangsan";
  per.setName("zhangsan");
  per.setAge(200);
  per.printInfo();
  return 0;
}

class Person {
private:
  char *name;
  int age;
  char *work;
public:
  void setName(char *name)
  {
  this->name = name;
  }
  int setAge(int age)
  {
  if (age < 0 || age > 150)
  {
    this->age = 0;
    return -1;
  }
  this->age = age;
  return 0;
  }
  void printInfo(void)
  {
  printf("name = %s, age = %d, work = %s\n", name, age, work); 
  }
};
int main(int argc, char **argv)
{
  Person per;
  //per.name = "zhangsan";
  per.setName("zhangsan");
  per.setAge(200);
  per.printInfo();
  return 0;
}