lookup_system_book 3954 src/dps8/dps8_sys.c {"LOOKUP_SYSTEM_BOOK", lookup_system_book, 0, "Lookup an address or symbol in the Multics system book\n", NULL, NULL}, lookup_system_book 3955 src/dps8/dps8_sys.c {"LSB", lookup_system_book, 0, "Lookup an address or symbol in the Multics system book\n", NULL, NULL},