/*
 * 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
{
    UINT16       length;
    HDRVR16      hDriver;
    HINSTANCE16  hModule;
    CHAR         szAliasName[128];
} DRIVERINFOSTRUCT16, *LPDRIVERINFOSTRUCT16;

typedef struct tagDRIVERITEM
{
    DRIVERINFOSTRUCT16    dis;
    WORD                  count;
    struct tagDRIVERITEM *lpPrevItem;
    struct tagDRIVERITEM *lpNextItem;
    DRIVERPROC            lpDrvProc;
} DRIVERITEM, *LPDRIVERITEM;

LRESULT DefDriverProc(DWORD dwDevID, HDRVR hDriv, UINT16 wMsg, 
                      LPARAM dwParam1, LPARAM dwParam2);
HDRVR16 OpenDriver(LPSTR szDriverName, LPSTR szSectionName, LPARAM lParam2);
LRESULT CloseDriver(HDRVR16 hDriver, LPARAM lParam1, LPARAM lParam2);
LRESULT SendDriverMessage( HDRVR16 hDriver, UINT16 message, LPARAM lParam1,
                           LPARAM lParam2 );
HMODULE16 GetDriverModuleHandle(HDRVR16 hDriver);
HDRVR16 GetNextDriver(HDRVR16, DWORD);
BOOL16 GetDriverInfo(HDRVR16, DRIVERINFOSTRUCT16 *);