typedef struct _XINPUT_STATE XINPUT_STATE, *PXINPUT_STATE;
typedef struct _XINPUT_CAPABILITIES XINPUT_CAPABILITIES, *PXINPUT_CAPABILITIES;
typedef struct _XINPUT_VIBRATION XINPUT_VIBRATION, *PXINPUT_VIBRATION;
typedef struct _XINPUT_GAMEPAD XINPUT_GAMEPAD, *PXINPUT_GAMEPAD;
typedef struct _XINPUT_KEYSTROKE XINPUT_KEYSTROKE, *PXINPUT_KEYSTROKE;