u_int             818 src/dps8/dps8_mgp.c     u_int unusable  : 1;       /* can't transfer this bit to/from PDP-11   */
u_int             819 src/dps8/dps8_mgp.c     u_int nak       : 1;       /* This packet is NAKing some packet        */
u_int             820 src/dps8/dps8_mgp.c     u_int reply_now : 1;       /* This packet requires an immediate reply  */
u_int             821 src/dps8/dps8_mgp.c     u_int padding   : 5;       /* Unused, reserved                         */
u_int             822 src/dps8/dps8_mgp.c     u_int loopback  : 1;       /* Used for detecting errors                */