/*  Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.  See the accompanying file LICENSE, version 2000-Apr-09 or later  (the contents of which are also included in zip.h) for terms of use.  If, for some reason, all these files are missing, the Info-ZIP license  also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html*/#ifndef __timezone_h#define __timezone_h#ifndef IZ_MKTIME_ONLY/* limits for our timezone info data: * we support only basic standard and daylight time, with max 2 transitions * per year, but for the maximum range of years a 32-bit second counter * can cover (these are 136 years plus a bit more than one month) */#define TZ_MAX_TIMES    272 /* (=2*(LastGoodYr + 1 - FirstGoodYr) */#define TZ_MAX_TYPES    2   /* We only support basic standard and daylight */#ifdef WIN32    /* Win32 tzinfo supplies at max (2 * 32) chars of tz names */#define TZ_MAX_CHARS    64  /* Maximum number of abbreviation characters */#else#define TZ_MAX_CHARS    50  /* Maximum number of abbreviation characters */#endif/* supported types of transition rules */#define JULIAN_DAY              0   /* Jn - Julian day */#define DAY_OF_YEAR             1   /* n - day of year */#define MONTH_NTH_DAY_OF_WEEK   2   /* Mm.n.d - month, week, day of week */struct ttinfo {    long            tt_gmtoff;  /* UTC offset in seconds */    int             tt_isdst;   /* used to set tm_isdst */    int             tt_abbrind; /* abbreviation list index */};struct state {    int             timecnt;    int             typecnt;    int             charcnt;    time_t          ats[TZ_MAX_TIMES];    unsigned char   types[TZ_MAX_TIMES];    struct ttinfo   ttis[TZ_MAX_TYPES];    char            chars[TZ_MAX_CHARS];};struct rule {    int             r_type;     /* type of rule--JULIAN_DAY etc */    int             r_day;      /* day number of rule */    int             r_week;     /* week number of rule */    int             r_mon;      /* month number of rule */    long            r_time;     /* transition time of rule */};extern int real_timezone_is_set;        /* set by tzset() *//* prototypes of functions not in time.h */void __tzset OF((void));#ifdef NEED__ISINDSTint _isindst OF((struct tm *tb));#endif/* callback function to be supplied by the program that uses this library */int GetPlatformLocalTimezone OF((register struct state * ZCONST sp,        void (*fill_tzstate_from_rules)(struct state * ZCONST sp_res,                                        ZCONST struct rule * ZCONST start,                                        ZCONST struct rule * ZCONST end)));#ifdef IZTZ_SETLOCALTZINFOvoid set_TZ OF((long time_zone, int day_light));#endif#endif /* !IZ_MKTIME_ONLY */time_t mkgmtime OF((struct tm *tm));#endif