/*
 * Drivers definitions
 */

#define DRV_LOAD                0x0001
#define DRV_ENABLE              0x0002
#define DRV_OPEN                0x0003
#define DRV_CLOSE               0x0004
#define DRV_DISABLE             0x0005
#define DRV_FREE                0x0006
#define DRV_CONFIGURE           0x0007
#define DRV_QUERYCONFIGURE      0x0008
#define DRV_INSTALL             0x0009
#define DRV_REMOVE              0x000A
#define DRV_EXITSESSION         0x000B
#define DRV_EXITAPPLICATION     0x000C
#define DRV_POWER               0x000F

#define DRV_RESERVED            0x0800
#define DRV_USER                0x4000

#define DRVCNF_CANCEL           0x0000
#define DRVCNF_OK               0x0001
#define DRVCNF_RESTART 			0x0002

#define DRVEA_NORMALEXIT  		0x0001
#define DRVEA_ABNORMALEXIT 		0x0002

#define GND_FIRSTINSTANCEONLY 	0x00000001

#define GND_FORWARD  			0x00000000
#define GND_REVERSE    			0x00000002

typedef struct {
	DWORD   dwDCISize;
	LPCSTR  lpszDCISectionName;
	LPCSTR  lpszDCIAliasName;
} DRVCONFIGINFO, *LPDRVCONFIGINFO;

typedef struct {
	UINT    length;
	HDRVR   hDriver;
	HINSTANCE hModule;
	char    szAliasName[128];
} DRIVERINFOSTRUCT, *LPDRIVERINFOSTRUCT;

typedef struct {
	DRIVERINFOSTRUCT dis;
	WORD		count;
	void		*lpPrevItem;
	void		*lpNextItem;
	DRIVERPROC	lpDrvProc;
} DRIVERITEM, *LPDRIVERITEM;

LRESULT DefDriverProc(DWORD dwDevID, HDRVR hDriv, WORD wMsg, 
						DWORD dwParam1, DWORD dwParam2);
HDRVR   OpenDriver(LPSTR szDriverName, LPSTR szSectionName, LPARAM lParam2);
LRESULT CloseDriver(HDRVR hDriver, LPARAM lParam1, LPARAM lParam2);
LRESULT SendDriverMessage(HDRVR hDriver, WORD message, LPARAM lParam1, LPARAM lParam2);
HINSTANCE GetDriverModuleHandle(HDRVR hDriver);
HDRVR   GetNextDriver(HDRVR, DWORD);
BOOL    GetDriverInfo(HDRVR, DRIVERINFOSTRUCT *);