SizeID XRRConfigCurrentConfiguration(XRRScreenConfiguration *config,
Rotation *rotation);
/*
* the following are always safe to call, even if RandR is not implemented
* on a screen
*/
Rotation XRRRotations(Display *dpy, int screen, Rotation *current_rotation);
Rotation XRRConfigRotations(XRRScreenConfiguration *config, Rotation *current_rotation);
