/* Employee.h */
#ifndef EMPLOYEE_H_
#define EMPLOYEE_H_

typedef struct EmployeeImpl* Employee;
Employee Employee_Create(const char* name, int age);
void Employee_Delete(Employee e);
const char* Employee_GetName(Employee e);
int Employee_GetAge(Employee e);

#endif

/* main.c */
#include <stdio.h>
//#include "Employee.h"

int main(void)
{
  Employee employees[2];
  int i;
  employees[0] = Employee_Create("Yamada", 25);
  employees[1] = Employee_Create("Tanaka", 48);
  for (i=0; i<sizeof(employees)/sizeof(Employee); i++) {
    printf("Name: %s, Age: %d\n", Employee_GetName(employees[i]),
                                  Employee_GetAge(employees[i]));
    Employee_Delete(employees[i]);
  }
  return 0;
}

/* Employee.c */
#include <stdlib.h>
#include <string.h>
//#include "Employee.h"

typedef struct EmployeeImpl {
  char name[256];
  int age;
} EmployeeImpl;

Employee Employee_Create(const char* name, int age)
{
  Employee e = (Employee)malloc(sizeof(EmployeeImpl));
  strncpy(e->name, name, sizeof(e->name));
  e->age = age;
  return e;
}

void Employee_Delete(Employee e)
{
  free(e);
}

const char* Employee_GetName(Employee e)
{
  return e->name;
}

int Employee_GetAge(Employee e)
{
  return e->age;
}