#include <stdio.h>
#include <stdlib.h>    // needed for malloc()
#include <string.h>    // needed for strcpy()

#define NAMLEN 32     /* we can define global constant symbols */
#define MAXCNT 3

/* the following structure defines a new type */
struct employee {
  char   name[NAMLEN];
  int    id;
  float  wage;
};

/* function prototypes */
void print_employees(struct employee [], int);

struct employee * get_employees();


int main(int argc, char* argv[]) {

  struct employee * staff;

  staff = get_employees();

  print_employees(staff, MAXCNT);

  free(staff);  // release the memory allocated in get_employees()

  return 0;
}

/* function definition */
void print_employees(struct employee staff[], int count) {

  int i;
  printf("There are a total of %d employees.\n");
  for (i = 0; i < count; i ++) {
    printf("Information for employee [%d] : \n", i);
    printf("   name : %s\n", staff[i].name);
    printf("   id   : %d\n", staff[i].id);
    printf("   wage : $%10.2f\n", staff[i].wage);
  }
}

/* function definition */
struct employee * get_employees() {

  //  struct employee * e = malloc(sizeof(struct employee));

  struct employee * people = 
        (struct employee *)malloc(MAXCNT * sizeof(struct employee));

  strcpy(people[0].name, "John Smith");
  people[0].id = 0;
  people[0].wage = 123456;
  
  strcpy(people[1].name, "Jane Doe");
  people[1].id = 1;
  people[1].wage = 234567;
  
  strcpy(people[2].name, "Alice Wonderland");
  people[2].id = 2;
  people[2].wage = 345678;
  
  return people;
}