Improved date check

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

#define SUBOR "date.txt"
#define TURN_ON 0
#define TURN_OFF 1

int main(){
        time_t t = time(NULL);
        struct tm tm = *localtime(&t);
        int actDate, actTime, fileDate, fileTime, times;
        FILE *f;
        actDate = tm.tm_mday;
        actTime = (tm.tm_hour*100) + (tm.tm_min);

        f = fopen(SUBOR, "r");
        fscanf(f, "%d, %d, %d", &fileDate, &fileTime, &times);
        fclose(f);

        if(fileDate==actDate) {
           if(times++>3 || actTime<(fileTime+200)){
              return TURN_OFF;
           }
        }
        else{
           times=0;
        }

        f = fopen(SUBOR, "w");
        fprintf(f, "%d %d %d", actDate, actTime, times);
        fclose(f);
        return TURN_ON;
}