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diff --git a/system/include/SDL/SDL_joystick.h b/system/include/SDL/SDL_joystick.h
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+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+
+/**
+ * \file SDL_joystick.h
+ *
+ * Include file for SDL joystick event handling
+ */
+
+#ifndef _SDL_joystick_h
+#define _SDL_joystick_h
+
+#include "SDL_stdinc.h"
+#include "SDL_error.h"
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+extern "C" {
+/* *INDENT-ON* */
+#endif
+
+/**
+ * \file SDL_joystick.h
+ *
+ * In order to use these functions, SDL_Init() must have been called
+ * with the ::SDL_INIT_JOYSTICK flag. This causes SDL to scan the system
+ * for joysticks, and load appropriate drivers.
+ */
+
+/* The joystick structure used to identify an SDL joystick */
+struct _SDL_Joystick;
+typedef struct _SDL_Joystick SDL_Joystick;
+
+
+/* Function prototypes */
+/**
+ * Count the number of joysticks attached to the system
+ */
+extern DECLSPEC int SDLCALL SDL_NumJoysticks(void);
+
+/**
+ * Get the implementation dependent name of a joystick.
+ * This can be called before any joysticks are opened.
+ * If no name can be found, this function returns NULL.
+ */
+extern DECLSPEC const char *SDLCALL SDL_JoystickName(int device_index);
+
+/**
+ * Open a joystick for use.
+ * The index passed as an argument refers tothe N'th joystick on the system.
+ * This index is the value which will identify this joystick in future joystick
+ * events.
+ *
+ * \return A joystick identifier, or NULL if an error occurred.
+ */
+extern DECLSPEC SDL_Joystick *SDLCALL SDL_JoystickOpen(int device_index);
+
+/**
+ * Returns 1 if the joystick has been opened, or 0 if it has not.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickOpened(int device_index);
+
+/**
+ * Get the device index of an opened joystick.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickIndex(SDL_Joystick * joystick);
+
+/**
+ * Get the number of general axis controls on a joystick.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickNumAxes(SDL_Joystick * joystick);
+
+/**
+ * Get the number of trackballs on a joystick.
+ *
+ * Joystick trackballs have only relative motion events associated
+ * with them and their state cannot be polled.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickNumBalls(SDL_Joystick * joystick);
+
+/**
+ * Get the number of POV hats on a joystick.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickNumHats(SDL_Joystick * joystick);
+
+/**
+ * Get the number of buttons on a joystick.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickNumButtons(SDL_Joystick * joystick);
+
+/**
+ * Update the current state of the open joysticks.
+ *
+ * This is called automatically by the event loop if any joystick
+ * events are enabled.
+ */
+extern DECLSPEC void SDLCALL SDL_JoystickUpdate(void);
+
+/**
+ * Enable/disable joystick event polling.
+ *
+ * If joystick events are disabled, you must call SDL_JoystickUpdate()
+ * yourself and check the state of the joystick when you want joystick
+ * information.
+ *
+ * The state can be one of ::SDL_QUERY, ::SDL_ENABLE or ::SDL_IGNORE.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickEventState(int state);
+
+/**
+ * Get the current state of an axis control on a joystick.
+ *
+ * The state is a value ranging from -32768 to 32767.
+ *
+ * The axis indices start at index 0.
+ */
+extern DECLSPEC Sint16 SDLCALL SDL_JoystickGetAxis(SDL_Joystick * joystick,
+ int axis);
+
+/**
+ * \name Hat positions
+ */
+/*@{*/
+#define SDL_HAT_CENTERED 0x00
+#define SDL_HAT_UP 0x01
+#define SDL_HAT_RIGHT 0x02
+#define SDL_HAT_DOWN 0x04
+#define SDL_HAT_LEFT 0x08
+#define SDL_HAT_RIGHTUP (SDL_HAT_RIGHT|SDL_HAT_UP)
+#define SDL_HAT_RIGHTDOWN (SDL_HAT_RIGHT|SDL_HAT_DOWN)
+#define SDL_HAT_LEFTUP (SDL_HAT_LEFT|SDL_HAT_UP)
+#define SDL_HAT_LEFTDOWN (SDL_HAT_LEFT|SDL_HAT_DOWN)
+/*@}*/
+
+/**
+ * Get the current state of a POV hat on a joystick.
+ *
+ * The hat indices start at index 0.
+ *
+ * \return The return value is one of the following positions:
+ * - ::SDL_HAT_CENTERED
+ * - ::SDL_HAT_UP
+ * - ::SDL_HAT_RIGHT
+ * - ::SDL_HAT_DOWN
+ * - ::SDL_HAT_LEFT
+ * - ::SDL_HAT_RIGHTUP
+ * - ::SDL_HAT_RIGHTDOWN
+ * - ::SDL_HAT_LEFTUP
+ * - ::SDL_HAT_LEFTDOWN
+ */
+extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetHat(SDL_Joystick * joystick,
+ int hat);
+
+/**
+ * Get the ball axis change since the last poll.
+ *
+ * \return 0, or -1 if you passed it invalid parameters.
+ *
+ * The ball indices start at index 0.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickGetBall(SDL_Joystick * joystick,
+ int ball, int *dx, int *dy);
+
+/**
+ * Get the current state of a button on a joystick.
+ *
+ * The button indices start at index 0.
+ */
+extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetButton(SDL_Joystick * joystick,
+ int button);
+
+/**
+ * Close a joystick previously opened with SDL_JoystickOpen().
+ */
+extern DECLSPEC void SDLCALL SDL_JoystickClose(SDL_Joystick * joystick);
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+}
+/* *INDENT-ON* */
+#endif
+#include "close_code.h"
+
+#endif /* _SDL_joystick_h */
+
+/* vi: set ts=4 sw=4 expandtab: */