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 */