CG_R
# define CG_R(x) ((x) << 0)
# define CG_R(x) ((x) << 0)
#define CG_R(x) ((x) << 0)
# define CG_R(x) ((x) << 0)
# define CG_R(x) ((x) << 0)
# define CG_R(x) ((x) << 0)