extern "libglfw" {

  // Opaque types
  type GLFWwindow  handle;
  type GLFWmonitor handle;

  // Struct definition
  type GLFWvidmode struct {
    int width;
    int height;
    int redBits;
    int greenBits;
    int blueBits;
    int refreshRate;
  };

  /// GLFWvidmode*
  type GLFWvidmodeRef ref GLFWvidmode;

  /// Create window with specified [width], [height] and [title]
  fn glfw_mkWindow(
    int width,
    int height,
    str title,
    GLFWmonitor mon,
    GLFWwindow shr
  ) GLFWwindow = "glfwCreateWindow";

  /// Get videomode from monitor [mon]
  fn glfw_getVideoMode(
    GLFWmonitor mon
  ) GLFWvidmodeRef = "glfwGetVideoMode";

  /// Get framebuffer [width] and [height]
  fn glfw_getFrameBufferSize(
    GLFWwindow win,
    out int width,
    out int height
  ) = "glfwGetFramebufferSize";
}