#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <signal.h>

struct time {
    int hour;
    int min;
};
struct date {
    int year;
    int month;
    int day;
};
struct session {
    struct date date;
    struct time time;
    int minutes;
    char *name;
};

time_t buf;
struct time buf2;
struct tm bt;
struct tm et;
int flg = 1;


void sighnd() { flg = 0; }
void flgwt() { while(flg) { continue; } }

int writeData(int fd, struct session session);

struct time timediff(struct tm f, struct tm l) {
    struct time tmp;
    tmp.hour = f.tm_hour - l.tm_hour;
    tmp.min = f.tm_min - l.tm_min;
    return tmp;
}

int main(int argc, char **argv) {
    buf = time(NULL);
    bt = *localtime(&buf);
    printf("%d:%02d:%02d\n", bt.tm_hour, bt.tm_min, bt.tm_year + 1900);
    
    signal(SIGINT, sighnd);
    flgwt();
    buf = time(NULL);
    et = *localtime(&buf);
    printf("%d:%02d:%02d:%02d\n", et.tm_hour, et.tm_min, et.tm_sec, et.tm_year + 1900);
    buf2 = timediff(et, bt);
    printf("%i:%i difference\n", buf2.hour, buf2.min);
    printf("exiting lol\n");
    return 0;
}