#ifndef DATE_H
#define DATE_H

typedef struct {
   int day;    /* day of month */
   int month;  /* month (1..12) */
   int year;   /* year (4 digits) */
} DATE_T;

void init_date1 (DATE_T *date);
void init_date (DATE_T *date, int day, int month, int year);
int date_equal (DATE_T date1, DATE_T date2);
int date_less_than (DATE_T date1, DATE_T date2);
void format_date (DATE_T date, char *str);
void next_day (DATE_T *date);

#endif