#include "tztimeext.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

struct tm then = {
  0,  /* int     tm_sec; */
  0,  /* int     tm_min; */
  0,  /* int     tm_hour; */
  1,  /* int     tm_mday; */
  8,  /* int     tm_mon; */
  81, /* int     tm_year; */
};

int main()
{
  time_t now, then_t;
  struct tm* a_tm;
  
  putenv("TZ=Europe/Riga");

  now = time(NULL);

  a_tm = localtime(&now);

  printf("now = %ld -- %s", (long) now, asctime(a_tm));
  printf("tzname = {%s, %s}\n", tzname[0], tzname[1]);

  then_t = mktime(&then);

  printf("then = %ld -- %s", (long) then_t, asctime(&then));
  printf("tzname = {%s, %s}\n", tzname[0], tzname[1]);

  exit(0);
}