// The following ifdef block is the standard way of creating macros which make exporting 
// from a DLL simpler. All files within this DLL are compiled with the PWRDRV_EXPORTS
// symbol defined on the command line. this symbol should not be defined on any project
// that uses this DLL. This way any other project whose source files include this file see 
// PWRDRV_API functions as being imported from a DLL, wheras this DLL sees symbols
// defined with this macro as being exported.
#ifdef PWRDRV_EXPORTS
#define PWRDRV_API __declspec(dllexport)
#else
#define PWRDRV_API __declspec(dllimport)
#endif

extern "C" 
{

PWRDRV_API BOOL PWR_Close(DWORD hOpenContext);
PWRDRV_API BOOL PWR_Deinit(DWORD hDeviceContext);
PWRDRV_API DWORD PWR_Init(DWORD dwContext);
PWRDRV_API BOOL PWR_IOControl(DWORD hOpenContext, DWORD dwCode, PBYTE pBufIn, DWORD dwLenIn, PBYTE pBufOut, DWORD dwLenOut, PDWORD pdwActualOut);
PWRDRV_API DWORD PWR_Open(DWORD hDeviceConext, DWORD dwAccessCode, DWORD dwShareMode);
PWRDRV_API void PWR_PowerDown(DWORD hDeviceContext);
PWRDRV_API void PWR_PowerUp(DWORD hDeviceContext);
PWRDRV_API DWORD PWR_Read(DWORD hOpenContext, LPVOID pBuffer, DWORD dwCount);
PWRDRV_API DWORD PWR_Seek(DWORD hOpenContext, long lAmount, WORD wType);
PWRDRV_API DWORD PWR_Write(DWORD hOpenContext, LPCVOID pSourceBytes, DWORD dwNumberOfBytes);

}