-#define N irop_flag_none
-#define L irop_flag_labeled
-#define C irop_flag_commutative
-#define X irop_flag_cfopcode
-#define F irop_flag_fragile
-#define Y irop_flag_forking
-#define H irop_flag_highlevel
-#define c irop_flag_constlike
-#define K irop_flag_keep
-#define M irop_flag_machine
-#define O irop_flag_machine_op
-#define NB irop_flag_dump_noblock
-#define NI irop_flag_dump_noinput
-#define n irop_flag_cse_neutral
-#define R (irop_flag_user << 0)
-