/* 
 * Taken from comp.unix.aix
 * From: John Crothers <jscrothers@statestreet.NOSPAM.com>
 * Subject: strptime() and %y  checker
 */

#ifndef lint
static char *_version = "@(#)strptime_win.c 1.1 - 98/05/04";
#endif
/*
 * Determine window for the strptime(3C) function.
 */
#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#ifdef sun
#include <tzfile.h>
#else
#define TM_YEAR_BASE 1900
#endif

main()
{
 int i;
 struct tm tm;
 char buf[4];
 int years[100];

 for (i = 0; i < 100; i++) {
  sprintf(buf, "%02d", i);
  (void) strptime(buf, "%y", &tm);
  years[i] = tm.tm_year + TM_YEAR_BASE;
 }

 printf("strptime(3C) window: %04d-", years[0]);
 for (i = 1; i < 100; i++) {
  if (years[i-1] / 100 != years[i] / 100)
   printf("%04d %04d-", years[i-1], years[i]);
 }
 printf("%04d\n", years[99]);
 exit(0);
 return (0);  /* quiet lint gripes */
}