text: //========================================================================
  // GLFW 3.2 Linux - www.glfw.org
  //------------------------------------------------------------------------
  // Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
  //
  // 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 _glfw3_linux_joystick_h_
  #define _glfw3_linux_joystick_h_
  
  #include <regex.h>
  
  #define _GLFW_PLATFORM_LIBRARY_JOYSTICK_STATE _GLFWjoylistLinux linux_js
  
  
  // Linux-specific joystick data
  //
  typedef struct _GLFWjoystickLinux
  {
      GLFWbool        present;
      int             fd;
      float*          axes;
      int             axisCount;
      unsigned char*  buttons;
      int             buttonCount;
      char*           name;
      char*           path;
  } _GLFWjoystickLinux;
  
  // Linux-specific joystick API data
  //
  typedef struct _GLFWjoylistLinux
  {
      _GLFWjoystickLinux js[GLFW_JOYSTICK_LAST + 1];
  
  #if defined(__linux__)
      int             inotify;
      int             watch;
      regex_t         regex;
  #endif /*__linux__*/
  } _GLFWjoylistLinux;
  
  
  GLFWbool _glfwInitJoysticksLinux(void);
  void _glfwTerminateJoysticksLinux(void);
  
  void _glfwPollJoystickEvents(void);
  
  #endif // _glfw3_linux_joystick_h_
  