code: def set_error_callback(cbfun):
      '''
      Sets the error callback.
  
      Wrapper for:
          GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun);
      '''
      global _error_callback
      previous_callback = _error_callback
      if cbfun is None:
          cbfun = 0
      c_cbfun = _GLFWerrorfun(cbfun)
      _error_callback = (cbfun, c_cbfun)
      cbfun = c_cbfun
      _glfw.glfwSetErrorCallback(cbfun)
      if previous_callback is not None and previous_callback[0] != 0:
          return previous_callback[0f set_error_callback(cbfun):
      '''
      Sets the error callback.
  
      Wrapper for:
          GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun);
      '''
      global _error_callback
      previous_callback = _error_callback
      if cbfun is None:
          cbfun = 0
      c_cbfun = _GLFWerrorfun(cbfun)
      _error_callback = (cbfun, c_cbfun)
      cbfun = c_cbfun
      _glfw.glfwSetErrorCallback(cbfun)
      if previous_callback is not None and previous_callback[0] != 0:
          return previous_callback[0]
docs: Sets the error callback.
  
      Wrapper for:
          GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun);