Explanation:
#include <stdio.h>
#include <stdlib.h>
struct date
{
int month;
int day;
int year;
};
int days(struct date *d)
{
int daysTotal;
// Adding days from date::day
if (d->day > 0 && d->day < 31) // Only execute if day is valid
{
daysTotal = d->day - 1;
}// Adding days from date::month
if (d->month > 0 && d->month < 13) // Only execute if month is valid
{
daysTotal += 30 * (d->month-1);
}// Adding days from date::year
if (d->year > 1899) // Only execute if year is valid
{
daysTotal += 360 * (d->year-1900); // subtracting 1900 years
}
return daysTotal; // This may still be a negative value, but is accepted here for simplicity
}
int main()
{
struct date myDate;
printf("Enter a Month: ");
scanf("%d", &myDate.month);
printf("Enter a Day: ");
scanf("%d", &myDate.day);
printf("Enter a Year: ");
scanf("%d", &myDate.year);
printf("the date you entered = %d days", days(&myDate));
return 0;
}
