Data Abstraction: Another Example

char *name;

int base_pay;

int year_started;

int leave_time;

};

struct employee_info employees[MAX_EMPLOYEES];

int num_employees;

void add_employee(char *name, int pay)

{

employees[num_employees].name = strdup(name);

employees[num_employees].base_pay = pay;

employees[num_employees].year_started = curr_year();

employees[num_employees].leave_time = 0;

num_employees++;

}

{

num_employees = 0;

add_employee(“John”, 20000);

add_employee(“Jill”, 30000);

add_employee(“Mary”, 40000);

. . .

/* Note this bug! */

if (num_employees = 0)

printf(“Something’s wrong!\n”);

for (i = 0; i < num_employees; i++)

printf(“Name: %s\n”,

employees[i].name)

}