(DEFPROP FNIN (LAMBDA(L) (PROG (CHAN) (SETQ CHAN (EVAL (APPEND (LIST (QUOTE INPUT) (GENSYM)) (LIST (CAR L)) (COND ((AND (NOT (ATOM (CAR L))) (NOT (ATOM (CDAR L)))) (SETQ L (CDR L)) (LIST (CAR L))) (T NIL))))) (INC CHAN NIL) (SETQ L (CDR L)) A (COND ((ATOM (SETQ R (ERRSET (READ) NIL))) (RETURN (INC NIL T))) ((MEMBER (CADAR R) L) (PRINT (EVAL (CAR R))))) (GO A))) FEXPR)