typedef struct { 
	UINT wXpos; 
	UINT wYpos; 
	UINT wZpos; 
	UINT wButtons; 
} JOYINFO; 

typedef struct { 
    WORD wMid; 
    WORD wPid; 
    char szPname[32]; 
    UINT wXmin; 
    UINT wXmax; 
    UINT wYmin; 
    UINT wYmax; 
    UINT wZmin; 
    UINT wZmax; 
    UINT wNumButtons; 
    UINT wPeriodMin; 
    UINT wPeriodMax; 
    UINT wRmin; 
    UINT wRmax; 
    UINT wUmin; 
    UINT wUmax; 
    UINT wVmin; 
    UINT wVmax; 
    UINT wCaps; 
    UINT wMaxAxes; 
    UINT wNumAxes; 
    UINT wMaxButtons; 
    char szRegKey[32]; 
    char szOEMVxD[260]; 
} JOYCAPS;

UINT WINAPI joyGetPos(UINT uJoyID, JOYINFO* pji);
UINT WINAPI joyGetNumDevs(VOID); 
UINT WINAPI joyGetDevCaps(UINT uJoyId, JOYCAPS* pjc, UINT cbjc);