#include #include "student.h" #include "teacher.h" #include "class.h" int main(){ struct Teacher* wan = new_teacher("Teacher", 20, TEACHER); struct Student* stu = new_student("Student1", 18); struct Class* cn = new_class("Chinese", 30, wan); add_salary(wan, 10000); add_student(cn, stu); print(cn); return 0; }