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

int main(int argc, const char *argv[])
{
  long int seconds_since_epoch;
  struct tm current_time, *time_ptr;
  int hour, minute, second, day, month, year;

  seconds_since_epoch = time(0);
  printf("time() - seconds since epoch: %ld\n", seconds_since_epoch);

  time_ptr = &current_time;

  localtime_r(&seconds_since_epoch, time_ptr);

  hour = current_time.tm_hour;
  minute = time_ptr->tm_min;
  second = *((int *) time_ptr);
  printf("Current time is: %02d:%02d:%02d\n", hour, minute, second);
  return 0;
}