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242 lines
6.0 KiB
242 lines
6.0 KiB
/***
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*time.h - definitions/declarations for time routines
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*
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* Copyright (c) 1985-1993, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This file has declarations of time routines and defines
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* the structure returned by the localtime and gmtime routines and
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* used by asctime.
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* [ANSI/System V]
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*
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*Revision History:
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* 07-27-87 SKS Added _strdate(), _strtime()
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* 10-20-87 JCR Removed "MSC40_ONLY" entries
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* 12-11-87 JCR Added "_loadds" functionality
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* 12-18-87 JCR Added _FAR_ to declarations
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* 01-16-88 JCR Added function versions of daylight/timezone/tzset
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* 01-20-88 SKS Change _timezone(n) to _timezone(), _daylight()
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* 02-10-88 JCR Cleaned up white space
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* 12-07-88 JCR DLL timezone/daylight/tzname now directly refers to data
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* 03-14-89 JCR Added strftime() prototype and size_t definition
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* 05-03-89 JCR Added _INTERNAL_IFSTRIP for relinc usage
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* 08-15-89 GJF Cleanup, now specific to OS/2 2.0 (i.e., 386 flat model)
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* 10-30-89 GJF Fixed copyright, removed dummy args from prototypes
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* 11-02-89 JCR Changed "DLL" to "_DLL"
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* 11-20-89 JCR difftime() always _cdecl (not pascal even under mthread)
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* 03-02-90 GJF Added #ifndef _INC_TIME and #include <cruntime.h>
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* stuff. Also, removed some (now) useless preprocessor
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* directives.
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* 03-29-90 GJF Replaced _cdecl with _CALLTYPE1 in prototypes and with
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* _VARTYPE1 in variable declarations.
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* 08-16-90 SBM Added NULL definition for ANSI compliance
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* 11-12-90 GJF Changed NULL to (void *)0.
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* 01-21-91 GJF ANSI naming.
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* 02-12-91 GJF Only #define NULL if it isn't #define-d.
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* 08-20-91 JCR C++ and ANSI naming
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* 08-26-91 BWM Added prototypes for _getsystime and _setsystem.
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* 09-28-91 JCR ANSI names: DOSX32=prototypes, WIN32=#defines for now
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* 01-22-92 GJF Fixed up definitions of global variables for build of,
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* and users of, crtdll.dll.
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* 03-25-92 DJM POSIX support.
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* 08-05-92 GJF Function calling type and variable type macros.
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* 08-24-92 PBS Support for Posix TZ variable.
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* 01-21-93 GJF Removed support for C6-386's _cdecl.
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* 03-10-93 MJB Fixes for Posix TZ stuff.
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* 05-05-93 CFW Add wcsftime proto.
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* 06-08-93 SKS Cannot #define the old name "timezone" to "_timezone"
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* because of conflict conflict with the timezone field
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* in struct timeb in <sys/timeb.h>.
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*
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****/
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#ifndef _INC_TIME
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _INTERNAL_IFSTRIP_
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#include <cruntime.h>
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#endif /* _INTERNAL_IFSTRIP_ */
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/*
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* Conditional macro definition for function calling type and variable type
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* qualifiers.
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*/
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#if ( (_MSC_VER >= 800) && (_M_IX86 >= 300) )
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/*
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* Definitions for MS C8-32 (386/486) compiler
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*/
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#define _CRTAPI1 __cdecl
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#define _CRTAPI2 __cdecl
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#else
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/*
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* Other compilers (e.g., MIPS)
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*/
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#define _CRTAPI1
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#define _CRTAPI2
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#endif
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/* define the implementation defined time type */
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#ifndef _TIME_T_DEFINED
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typedef long time_t; /* time value */
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#define _TIME_T_DEFINED /* avoid multiple def's of time_t */
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#endif
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#ifndef _CLOCK_T_DEFINED
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typedef long clock_t;
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#define _CLOCK_T_DEFINED
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#endif
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#ifndef _SIZE_T_DEFINED
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typedef unsigned int size_t;
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#define _SIZE_T_DEFINED
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#endif
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/* define NULL pointer value */
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#ifndef NULL
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#ifdef __cplusplus
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#define NULL 0
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#else
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#define NULL ((void *)0)
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#endif
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#endif
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#ifndef _TM_DEFINED
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struct tm {
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int tm_sec; /* seconds after the minute - [0,59] */
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int tm_min; /* minutes after the hour - [0,59] */
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int tm_hour; /* hours since midnight - [0,23] */
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int tm_mday; /* day of the month - [1,31] */
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int tm_mon; /* months since January - [0,11] */
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int tm_year; /* years since 1900 */
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int tm_wday; /* days since Sunday - [0,6] */
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int tm_yday; /* days since January 1 - [0,365] */
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int tm_isdst; /* daylight savings time flag */
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};
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#define _TM_DEFINED
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#endif
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/* clock ticks macro - ANSI version */
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#define CLOCKS_PER_SEC 1000
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/* extern declarations for the global variables used by the ctime family of
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* routines.
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*/
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#ifdef _DLL
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#define _daylight (*_daylight_dll)
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#define _timezone (*_timezone_dll)
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/* non-zero if daylight savings time is used */
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extern int * _CRTVAR1 _daylight_dll;
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/* difference in seconds between GMT and local time */
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extern long * _CRTVAR1 _timezone_dll;
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/* standard/daylight savings time zone names */
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extern char ** _CRTVAR1 _tzname;
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#else
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#ifdef CRTDLL
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#define _daylight _daylight_dll
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#define _timezone _timezone_dll
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#endif
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#ifdef _POSIX_
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extern char _CRTVAR1 * _rule;
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#endif
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/* non-zero if daylight savings time is used */
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extern int _CRTVAR1 _daylight;
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/* difference in seconds between GMT and local time */
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extern long _CRTVAR1 _timezone;
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/* standard/daylight savings time zone names */
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#ifdef _POSIX_
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extern char * _VARTYPE1 tzname[2];
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#else
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extern char * _VARTYPE1 _tzname[2];
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#endif
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#endif
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/* function prototypes */
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char * _CRTAPI1 asctime(const struct tm *);
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char * _CRTAPI1 ctime(const time_t *);
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clock_t _CRTAPI1 clock(void);
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double _CRTAPI1 difftime(time_t, time_t);
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struct tm * _CRTAPI1 gmtime(const time_t *);
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struct tm * _CRTAPI1 localtime(const time_t *);
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time_t _CRTAPI1 mktime(struct tm *);
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size_t _CRTAPI1 strftime(char *, size_t, const char *, const struct tm *);
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char * _CRTAPI1 _strdate(char *);
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char * _CRTAPI1 _strtime(char *);
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time_t _CRTAPI1 time(time_t *);
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#ifdef _POSIX_
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void _CRTAPI1 tzset(void);
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#else
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void _CRTAPI1 _tzset(void);
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#endif
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unsigned _CRTAPI1 _getsystime(struct tm *);
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unsigned _CRTAPI1 _setsystime(struct tm *, unsigned);
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#if !__STDC__
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#ifndef _SIZE_T_DEFINED
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typedef unsigned int size_t;
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#define _SIZE_T_DEFINED
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#endif
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#ifndef _WCHAR_T_DEFINED
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typedef unsigned short wchar_t;
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#define _WCHAR_T_DEFINED
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#endif
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#ifndef _WTIME_DEFINED
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size_t _CRTAPI1 wcsftime(wchar_t *, size_t, const char *, const struct tm *);
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#define _WTIME_DEFINED
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#endif
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#endif /* __STDC__ */
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#if !__STDC__ || defined(_POSIX_)
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/* Non-ANSI names for compatibility */
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#define CLK_TCK CLOCKS_PER_SEC
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#define daylight _daylight
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/* timezone cannot be #defined to _timezone because of <sys/timeb.h> */
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#ifndef _POSIX_
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#define tzname _tzname
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#ifndef _DOSX32_
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#define tzset _tzset
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#else
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void _CRTAPI1 tzset(void);
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#endif
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#endif /* _POSIX_ */
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#endif /* __STDC__ */
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#ifdef __cplusplus
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}
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#endif
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#define _INC_TIME
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#endif /* _INC_TIME */
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