leap_year.c

/*
    leap_year.c


    You can find all my C programs at Dragan Milicev's pastebin:

    https://pastebin.com/u/dmilicev

*/

#include <stdio.h>

int is_leap_year(int year)
{
    return !(year % 4) && (year % 100 || !(year % 400));
}

int main(void)
{
    int i;

    for(i=1997; i<2030; i++)
    {
        printf(" %d ", i);

        if( is_leap_year(i) )
            printf(" is leap year. \n");
        else
            printf(" isn't leap_year. \n");
    }

    return 0;

} // main()