text: //========================================================================
  // GLFW 3.0 - www.glfw.org
  //------------------------------------------------------------------------
  // Copyright (c) 2002-2006 Marcus Geelnard
  // Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.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.
  //
  //========================================================================
  
  #ifndef _internal_h_
  #define _internal_h_
  
  
  #include "glfw_config.h"
  
  #if defined(_GLFW_USE_OPENGL)
   // This is the default for glfw3.h
  #elif defined(_GLFW_USE_GLESV1)
   #define GLFW_INCLUDE_ES1
  #elif defined(_GLFW_USE_GLESV2)
   #define GLFW_INCLUDE_ES2
  #else
   #error "No supported client library selected"
  #endif
  
  // Disable the inclusion of the platform glext.h by gl.h to allow proper
  // inclusion of our own, newer glext.h below
  #define GL_GLEXT_LEGACY
  
  #include "../include/GLFW/glfw3.h"
  
  #if defined(_GLFW_USE_OPENGL)
   // This path may need to be changed if you build GLFW using your own setup
   // GLFW comes with its own copy of glext.h since it uses fairly new extensions
   // and not all development environments come with an up-to-date version
   #include "../deps/GL/glext.h"
  #endif
  
  typedef struct _GLFWhints       _GLFWhints;
  typedef struct _GLFWwndconfig   _GLFWwndconfig;
  typedef struct _GLFWfbconfig    _GLFWfbconfig;
  typedef struct _GLFWwindow      _GLFWwindow;
  typedef struct _GLFWlibrary     _GLFWlibrary;
  typedef struct _GLFWmonitor     _GLFWmonitor;
  
  #if defined(_GLFW_COCOA)
   #include "cocoa_platform.h"
  #elif defined(_GLFW_WIN32)
   #include "win32_platform.h"
  #elif defined(_GLFW_X11)
   #include "x11_platform.h"
  #else
   #error "No supported window creation API selected"
  #endif
  
  
  //========================================================================
  // Doxygen group definitions
  //========================================================================
  
  /*! @defgroup platform Platform interface
   *  @brief The interface implemented by the platform-specific code.
   *
   *  The platform API is the interface exposed by the platform-specific code for
   *  each platform and is called by the shared code of the public API It mirrors
   *  the public API except it uses objects instead of handles.
   */
  /*! @defgroup event Event interface
   *  @brief The interface used by the platform-specific code to report events.
   *
   *  The event API is used by the platform-specific code to notify the shared
   *  code of events that can be translated into state changes and/or callback
   *  calls.
   */
  /*! @defgroup utility Utility functions
   *  @brief Various utility functions for internal use.
   *
   *  These functions are shared code and may be used by any part of GLFW
   *  Each platform may add its own utility functions, but those may only be
   *  called by the platform-specific code
   */
  
  
  //========================================================================
  // Helper macros
  //========================================================================
  
  // Checks for whether the library has been intitalized
  #define _GLFW_REQUIRE_INIT()                         \
      if (!_glfwInitialized)                           \
      {                                                \
          _glfwInputError(GLFW_NOT_INITIALIZED, NULL); \
          return;                                      \
      }
  #define _GLFW_REQUIRE_INIT_OR_RETURN(x)              \
      if (!_glfwInitialized)                           \
      {                                                \
          _glfwInputError(GLFW_NOT_INITIALIZED, NULL); \
          return x;                                    \
      }
  
  // Swaps the provided pointers
  #define _GLFW_SWAP_POINTERS(x, y) \
      {                             \
          void* t;                  \
          t = x;                    \
          x = y;                    \
          y = t;                    \
      }
  
  
  //========================================================================
  // Internal types
  //========================================================================
  
  /*! @brief Window and context configuration.
   *
   *  Parameters relating to the creation of the context and window but not
   *  directly related to the framebuffer.  This is used to pass window and
   *  context creation parameters from shared code to the platform API.
   */
  struct _GLFWwndconfig
  {
      int           width;
      int           height;
      const char*   title;
      GLboolean     resizable;
      GLboolean     visible;
      GLboolean     decorated;
      int           clientAPI;
      int           glMajor;
      int           glMinor;
      GLboolean     glForward;
      GLboolean     glDebug;
      int           glProfile;
      int           glRobustness;
      _GLFWmonitor* monitor;
      _GLFWwindow*  share;
  };
  
  
  /*! @brief Framebuffer configuration.
   *
   *  This describes buffers and their sizes.  It also contains
   *  a platform-specific ID used to map back to the backend API's object.
   *
   *  It is used to pass framebuffer parameters from shared code to the platform
   *  API and also to enumerate and select available framebuffer configs.
   */
  struct _GLFWfbconfig
  {
      int         redBits;
      int         greenBits;
      int         blueBits;
      int         alphaBits;
      int         depthBits;
      int         stencilBits;
      int         accumRedBits;
      int         accumGreenBits;
      int         accumBlueBits;
      int         accumAlphaBits;
      int         auxBuffers;
      GLboolean   stereo;
      int         samples;
      GLboolean   sRGB;
  
      // This is defined in the context API's platform.h
      _GLFW_PLATFORM_FBCONFIG;
  };
  
  
  /*! @brief Window and context structure.
   */
  struct _GLFWwindow
  {
      struct _GLFWwindow* next;
  
      // Window settings and state
      GLboolean           iconified;
      GLboolean           resizable;
      GLboolean           decorated;
      GLboolean           visible;
      GLboolean           closed;
      void*               userPointer;
      GLFWvidmode         videoMode;
      _GLFWmonitor*       monitor;
  
      // Window input state
      GLboolean           stickyKeys;
      GLboolean           stickyMouseButtons;
      double              cursorPosX, cursorPosY;
      int                 cursorMode;
      char                mouseButton[GLFW_MOUSE_BUTTON_LAST + 1];
      char                key[GLFW_KEY_LAST + 1];
  
      // OpenGL extensions and context attributes
      int                 clientAPI;
      int                 glMajor, glMinor, glRevision;
      GLboolean           glForward, glDebug;
      int                 glProfile;
      int                 glRobustness;
  #if defined(_GLFW_USE_OPENGL)
      PFNGLGETSTRINGIPROC GetStringi;
  #endif
  
      struct {
          GLFWwindowposfun        pos;
          GLFWwindowsizefun       size;
          GLFWwindowclosefun      close;
          GLFWwindowrefreshfun    refresh;
          GLFWwindowfocusfun      focus;
          GLFWwindowiconifyfun    iconify;
          GLFWframebuffersizefun  fbsize;
          GLFWmousebuttonfun      mouseButton;
          GLFWcursorposfun        cursorPos;
          GLFWcursorenterfun      cursorEnter;
          GLFWscrollfun           scroll;
          GLFWkeyfun              key;
          GLFWcharfun             character;
      } callbacks;
  
      // This is defined in the window API's platform.h
      _GLFW_PLATFORM_WINDOW_STATE;
      // This is defined in the context API's platform.h
      _GLFW_PLATFORM_CONTEXT_STATE;
  };
  
  
  /*! @brief Monitor structure.
   */
  struct _GLFWmonitor
  {
      char*           name;
  
      // Physical dimensions in millimeters.
      int             widthMM, heightMM;
  
      GLFWvidmode*    modes;
      int             modeCount;
      GLFWvidmode     currentMode;
  
      GLFWgammaramp   originalRamp;
      GLFWgammaramp   currentRamp;
  
      // This is defined in the window API's platform.h
      _GLFW_PLATFORM_MONITOR_STATE;
  };
  
  
  /*! @brief Library global data.
   */
  struct _GLFWlibrary
  {
      struct {
          int         redBits;
          int         greenBits;
          int         blueBits;
          int         alphaBits;
          int         depthBits;
          int         stencilBits;
          int         accumRedBits;
          int         accumGreenBits;
          int         accumBlueBits;
          int         accumAlphaBits;
          int         auxBuffers;
          GLboolean   stereo;
          GLboolean   resizable;
          GLboolean   visible;
          GLboolean   decorated;
          int         samples;
          GLboolean   sRGB;
          int         refreshRate;
          int         clientAPI;
          int         glMajor;
          int         glMinor;
          GLboolean   glForward;
          GLboolean   glDebug;
          int         glProfile;
          int         glRobustness;
      } hints;
  
      double          cursorPosX, cursorPosY;
  
      _GLFWwindow*    windowListHead;
      _GLFWwindow*    focusedWindow;
  
      _GLFWmonitor**  monitors;
      int             monitorCount;
  
      struct {
          GLFWmonitorfun  monitor;
      } callbacks;
  
      // This is defined in the window API's platform.h
      _GLFW_PLATFORM_LIBRARY_WINDOW_STATE;
      // This is defined in the context API's platform.h
      _GLFW_PLATFORM_LIBRARY_OPENGL_STATE;
  };
  
  
  //========================================================================
  // Global state shared between compilation units of GLFW
  //========================================================================
  
  /*! @brief Flag indicating whether GLFW has been successfully initialized.
   */
  extern GLboolean _glfwInitialized;
  
  /*! @brief All global data protected by @ref _glfwInitialized.
   *  This should only be touched after a call to @ref glfwInit that has not been
   *  followed by a call to @ref glfwTerminate.
   */
  extern _GLFWlibrary _glfw;
  
  
  //========================================================================
  // Platform API functions
  //========================================================================
  
  /*! @brief Initializes the platform-specific part of the library.
   *  @return `GL_TRUE` if successful, or `GL_FALSE` if an error occurred.
   *  @ingroup platform
   */
  int _glfwPlatformInit(void);
  
  /*! @brief Terminates the platform-specific part of the library.
   *  @ingroup platform
   */
  void _glfwPlatformTerminate(void);
  
  /*! @copydoc glfwGetVersionString
   *  @ingroup platform
   *
   *  @note The returned string must be available for the duration of the program.
   *
   *  @note The returned string must not change for the duration of the program.
   */
  const char* _glfwPlatformGetVersionString(void);
  
  /*! @copydoc glfwSetCursorPos
   *  @ingroup platform
   */
  void _glfwPlatformSetCursorPos(_GLFWwindow* window, double xpos, double ypos);
  
  /*! @brief Sets up the specified cursor mode for the specified window.
   *  @param[in] window The window whose cursor mode to change.
   *  @param[in] mode The desired cursor mode.
   *  @ingroup platform
   */
  void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode);
  
  /*! @copydoc glfwGetMonitors
   *  @ingroup platform
   */
  _GLFWmonitor** _glfwPlatformGetMonitors(int* count);
  
  /*! @brief Checks whether two monitor objects represent the same monitor.
   *
   *  @param[in] first The first monitor.
   *  @param[in] second The second monitor.
   *  @return @c GL_TRUE if the monitor objects represent the same monitor, or @c
   *  GL_FALSE otherwise.
   *  @ingroup platform
   */
  GLboolean _glfwPlatformIsSameMonitor(_GLFWmonitor* first, _GLFWmonitor* second);
  
  /*! @copydoc glfwGetMonitorPos
   *  @ingroup platform
   */
  void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos);
  
  /*! @copydoc glfwGetVideoModes
   *  @ingroup platform
   */
  GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count);
  
  /*! @ingroup platform
   */
  void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode);
  
  /*! @copydoc glfwGetGammaRamp
   *  @ingroup platform
   */
  void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp);
  
  /*! @copydoc glfwSetGammaRamp
   *  @ingroup platform
   */
  void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp);
  
  /*! @copydoc glfwSetClipboardString
   *  @ingroup platform
   */
  void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string);
  
  /*! @copydoc glfwGetClipboardString
   *  @ingroup platform
   *
   *  @note The returned string must be valid until the next call to @ref
   *  _glfwPlatformGetClipboardString or @ref _glfwPlatformSetClipboardString.
   */
  const char* _glfwPlatformGetClipboardString(_GLFWwindow* window);
  
  /*! @copydoc glfwJoystickPresent
   *  @ingroup platform
   */
  int _glfwPlatformJoystickPresent(int joy);
  
  /*! @copydoc glfwGetJoystickAxes
   *  @ingroup platform
   */
  const float* _glfwPlatformGetJoystickAxes(int joy, int* count);
  
  /*! @copydoc glfwGetJoystickButtons
   *  @ingroup platform
   */
  const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count);
  
  /*! @copydoc glfwGetJoystickName
   *  @ingroup platform
   */
  const char* _glfwPlatformGetJoystickName(int joy);
  
  /*! @copydoc glfwGetTime
   *  @ingroup platform
   */
  double _glfwPlatformGetTime(void);
  
  /*! @copydoc glfwSetTime
   *  @ingroup platform
   */
  void _glfwPlatformSetTime(double time);
  
  /*! @ingroup platform
   */
  int _glfwPlatformCreateWindow(_GLFWwindow* window,
                                const _GLFWwndconfig* wndconfig,
                                const _GLFWfbconfig* fbconfig);
  
  /*! @ingroup platform
   */
  void _glfwPlatformDestroyWindow(_GLFWwindow* window);
  
  /*! @copydoc glfwSetWindowTitle
   *  @ingroup platform
   */
  void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title);
  
  /*! @copydoc glfwGetWindowPos
   *  @ingroup platform
   */
  void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos);
  
  /*! @copydoc glfwSetWindowPos
   *  @ingroup platform
   */
  void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos);
  
  /*! @copydoc glfwGetWindowSize
   *  @ingroup platform
   */
  void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height);
  
  /*! @copydoc glfwSetWindowSize
   *  @ingroup platform
   */
  void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height);
  
  /*! @copydoc glfwGetFramebufferSize
   *  @ingroup platform
   */
  void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height);
  
  /*! @copydoc glfwIconifyWindow
   *  @ingroup platform
   */
  void _glfwPlatformIconifyWindow(_GLFWwindow* window);
  
  /*! @copydoc glfwRestoreWindow
   *  @ingroup platform
   */
  void _glfwPlatformRestoreWindow(_GLFWwindow* window);
  
  /*! @copydoc glfwShowWindow
   *  @ingroup platform
   */
  void _glfwPlatformShowWindow(_GLFWwindow* window);
  
  /*! @copydoc glfwHideWindow
   *  @ingroup platform
   */
  void _glfwPlatformHideWindow(_GLFWwindow* window);
  
  /*! @copydoc glfwPollEvents
   *  @ingroup platform
   */
  void _glfwPlatformPollEvents(void);
  
  /*! @copydoc glfwWaitEvents
   *  @ingroup platform
   */
  void _glfwPlatformWaitEvents(void);
  
  /*! @copydoc glfwMakeContextCurrent
   *  @ingroup platform
   */
  void _glfwPlatformMakeContextCurrent(_GLFWwindow* window);
  
  /*! @copydoc glfwGetCurrentContext
   *  @ingroup platform
   */
  _GLFWwindow* _glfwPlatformGetCurrentContext(void);
  
  /*! @copydoc glfwSwapBuffers
   *  @ingroup platform
   */
  void _glfwPlatformSwapBuffers(_GLFWwindow* window);
  
  /*! @copydoc glfwSwapInterval
   *  @ingroup platform
   */
  void _glfwPlatformSwapInterval(int interval);
  
  /*! @ingroup platform
   */
  int _glfwPlatformExtensionSupported(const char* extension);
  
  /*! @copydoc glfwGetProcAddress
   *  @ingroup platform
   */
  GLFWglproc _glfwPlatformGetProcAddress(const char* procname);
  
  
  //========================================================================
  // Event API functions
  //========================================================================
  
  /*! @brief Notifies shared code of a window focus event.
   *  @param[in] window The window that received the event.
   *  @param[in] focused `GL_TRUE` if the window received focus, or `GL_FALSE`
   *  if it lost focus.
   *  @ingroup event
   */
  void _glfwInputWindowFocus(_GLFWwindow* window, GLboolean focused);
  
  /*! @brief Notifies shared code of a window movement event.
   *  @param[in] window The window that received the event.
   *  @param[in] xpos The new x-coordinate of the client area of the window.
   *  @param[in] ypos The new y-coordinate of the client area of the window.
   *  @ingroup event
   */
  void _glfwInputWindowPos(_GLFWwindow* window, int xpos, int ypos);
  
  /*! @brief Notifies shared code of a window resize event.
   *  @param[in] window The window that received the event.
   *  @param[in] width The new width of the client area of the window.
   *  @param[in] height The new height of the client area of the window.
   *  @ingroup event
   */
  void _glfwInputWindowSize(_GLFWwindow* window, int width, int height);
  
  /*! @brief Notifies shared code of a framebuffer resize event.
   *  @param[in] window The window that received the event.
   *  @param[in] width The new width, in pixels, of the framebuffer.
   *  @param[in] height The new height, in pixels, of the framebuffer.
   *  @ingroup event
   */
  void _glfwInputFramebufferSize(_GLFWwindow* window, int width, int height);
  
  /*! @brief Notifies shared code of a window iconification event.
   *  @param[in] window The window that received the event.
   *  @param[in] iconified `GL_TRUE` if the window was iconified, or `GL_FALSE`
   *  if it was restored.
   *  @ingroup event
   */
  void _glfwInputWindowIconify(_GLFWwindow* window, int iconified);
  
  /*! @brief Notifies shared code of a window show/hide event.
   *  @param[in] window The window that received the event.
   *  @param[in] visible `GL_TRUE` if the window was shown, or `GL_FALSE` if it
   *  was hidden.
   *  @ingroup event
   */
  void _glfwInputWindowVisibility(_GLFWwindow* window, int visible);
  
  /*! @brief Notifies shared code of a window damage event.
   *  @param[in] window The window that received the event.
   */
  void _glfwInputWindowDamage(_GLFWwindow* window);
  
  /*! @brief Notifies shared code of a window close request event
   *  @param[in] window The window that received the event.
   *  @ingroup event
   */
  void _glfwInputWindowCloseRequest(_GLFWwindow* window);
  
  /*! @brief Notifies shared code of a physical key event.
   *  @param[in] window The window that received the event.
   *  @param[in] key The key that was pressed or released.
   *  @param[in] scancode The system-specific scan code of the key.
   *  @param[in] action @ref GLFW_PRESS or @ref GLFW_RELEASE.
   *  @param[in] mods The modifiers pressed when the event was generated.
   *  @ingroup event
   */
  void _glfwInputKey(_GLFWwindow* window, int key, int scancode, int action, int mods);
  
  /*! @brief Notifies shared code of a Unicode character input event.
   *  @param[in] window The window that received the event.
   *  @param[in] codepoint The Unicode code point of the input character.
   *  @ingroup event
   */
  void _glfwInputChar(_GLFWwindow* window, unsigned int codepoint);
  
  /*! @brief Notifies shared code of a scroll event.
   *  @param[in] window The window that received the event.
   *  @param[in] x The scroll offset along the x-axis.
   *  @param[in] y The scroll offset along the y-axis.
   *  @ingroup event
   */
  void _glfwInputScroll(_GLFWwindow* window, double x, double y);
  
  /*! @brief Notifies shared code of a mouse button click event.
   *  @param[in] window The window that received the event.
   *  @param[in] button The button that was pressed or released.
   *  @param[in] action @ref GLFW_PRESS or @ref GLFW_RELEASE.
   *  @ingroup event
   */
  void _glfwInputMouseClick(_GLFWwindow* window, int button, int action, int mods);
  
  /*! @brief Notifies shared code of a cursor motion event.
   *  @param[in] window The window that received the event.
   *  @param[in] x The new x-coordinate of the cursor, relative to the left edge
   *  of the client area of the window.
   *  @param[in] y The new y-coordinate of the cursor, relative to the top edge
   *  of the client area of the window.
   *  @ingroup event
   */
  void _glfwInputCursorMotion(_GLFWwindow* window, double x, double y);
  
  /*! @brief Notifies shared code of a cursor enter/leave event.
   *  @param[in] window The window that received the event.
   *  @param[in] entered `GL_TRUE` if the cursor entered the client area of the
   *  window, or `GL_FALSE` if it left it.
   *  @ingroup event
   */
  void _glfwInputCursorEnter(_GLFWwindow* window, int entered);
  
  /*! @ingroup event
   */
  void _glfwInputMonitorChange(void);
  
  /*! @brief Notifies shared code of an error.
   *  @param[in] error The error code most suitable for the error.
   *  @param[in] format The `printf` style format string of the error
   *  description.
   *  @ingroup event
   */
  void _glfwInputError(int error, const char* format, ...);
  
  
  //========================================================================
  // Utility functions
  //========================================================================
  
  /*! @ingroup utility
   */
  const GLFWvidmode* _glfwChooseVideoMode(_GLFWmonitor* monitor,
                                          const GLFWvidmode* desired);
  
  /*! @brief Performs lexical comparison between two @ref GLFWvidmode structures.
   *  @ingroup utility
   */
  int _glfwCompareVideoModes(const GLFWvidmode* first, const GLFWvidmode* second);
  
  /*! @brief Splits a color depth into red, green and blue bit depths.
   *  @ingroup utility
   */
  void _glfwSplitBPP(int bpp, int* red, int* green, int* blue);
  
  /*! @brief Searches an extension string for the specified extension.
   *  @param[in] string The extension string to search.
   *  @param[in] extensions The extension to search for.
   *  @return `GL_TRUE` if the extension was found, or `GL_FALSE` otherwise.
   *  @ingroup utility
   */
  int _glfwStringInExtensionString(const char* string, const GLubyte* extensions);
  
  /*! @brief Chooses the framebuffer config that best matches the desired one.
   *  @param[in] desired The desired framebuffer config.
   *  @param[in] alternatives The framebuffer configs supported by the system.
   *  @param[in] count The number of entries in the alternatives array.
   *  @return The framebuffer config most closely matching the desired one, or @c
   *  NULL if none fulfilled the hard constraints of the desired values.
   *  @ingroup utility
   */
  const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
                                           const _GLFWfbconfig* alternatives,
                                           unsigned int count);
  
  /*! @brief Retrieves the attributes of the current context.
   *  @return `GL_TRUE` if successful, or `GL_FALSE` if the context is unusable.
   *  @ingroup utility
   */
  GLboolean _glfwRefreshContextAttribs(void);
  
  /*! @brief Checks whether the desired context attributes are valid.
   *  @param[in] wndconfig The context attributes to check.
   *  @return `GL_TRUE` if the context attributes are valid, or `GL_FALSE`
   *  otherwise.
   *  @ingroup utility
   *
   *  This function checks things like whether the specified client API version
   *  exists and whether all relevant options have supported and non-conflicting
   *  values.
   */
  GLboolean _glfwIsValidContextConfig(_GLFWwndconfig* wndconfig);
  
  /*! @brief Checks whether the current context fulfils the specified hard
   *  constraints.
   *  @param[in] wndconfig The desired context attributes.
   *  @return `GL_TRUE` if the context fulfils the hard constraints, or `GL_FALSE`
   *  otherwise.
   *  @ingroup utility
   */
  GLboolean _glfwIsValidContext(_GLFWwndconfig* wndconfig);
  
  /*! @ingroup utility
   */
  void _glfwAllocGammaArrays(GLFWgammaramp* ramp, unsigned int size);
  
  /*! @ingroup utility
   */
  void _glfwFreeGammaArrays(GLFWgammaramp* ramp);
  
  /*! @ingroup utility
   */
  _GLFWmonitor* _glfwCreateMonitor(const char* name, int widthMM, int heightMM);
  
  /*! @ingroup utility
    */
  void _glfwDestroyMonitor(_GLFWmonitor* monitor);
  
  /*! @ingroup utility
    */
  void _glfwDestroyMonitors(_GLFWmonitor** monitors, int count);
  
  #endif // _internal_h_
  