dst.h

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//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
/*---------------------------------------------------------------------------*\
 *
 *  module: dst.h
 *
 *  purpose: header file for dst.cpp
 *
\*---------------------------------------------------------------------------*/

#ifndef _DST_H_
#define _DST_H_

void     DST_Init(void);
BOOL     DST_Auto(void);
BOOL     DST_ShowMessage(void);
HANDLE   DST_SetDSTEvent(void);
HANDLE   DST_SetTimezoneChangeEvent(void);
HANDLE   DST_SetTimeChangeEvent(void);
void     DST_WaitForEvents(LPHANDLE DST_handles);
BOOL     DST_DetermineChangeDate(LPSYSTEMTIME pst);
void     DST_SetDaylightOrStandardTime(void);


// helper functions
int DowFromDate(SYSTEMTIME *pst);
int GetStartDowForMonth(int yr, int mo);
BOOL LocaleSupportsDST(TIME_ZONE_INFORMATION *ptzi);


#endif // _DST_H_