wlroots/include/wlr/util/direction.h

#ifndef WLR_UTIL_DIRECTION_H
#define WLR_UTIL_DIRECTION_H

enum wlr_direction {
	WLR_DIRECTION_UP = 0,
	WLR_DIRECTION_DOWN = 1,
	WLR_DIRECTION_LEFT = 2,
	WLR_DIRECTION_RIGHT = 4,
};

#endif