Make window movable or unmovable

int kernelWindowSetMovable(kernelWindow *window, int trueFalse)
{
 

  // Sets the 'is movable' attribute
  int status = 0;
  // Make sure we've been initialized
  if (!initialized)
    return (status = ERR_NOTINITIALIZED);

  if (window == NULL)
    return (status = ERR_NOSUCHENTRY);

  if (trueFalse)
    window->flags |= WINFLAG_MOVABLE;
  else
    window->flags &= ~WINFLAG_MOVABLE;

  // Return success
  return (status = 0);
}