+ #+sbcl(:import-from "SB-EXT" "COLLECT")
+ #+cmu(:import-from "ALIEN" "CALLBACK")
+ (:import-from #+cmu"ALIEN" #+sbcl"SB-ALIEN"
+ "WITH-ALIEN" "ALIEN-FUNCALL" "%HEAP-ALIEN" "MAKE-HEAP-ALIEN-INFO"
+ "ADDR" "PARSE-ALIEN-TYPE" "SYSTEM-AREA-POINTER" "EXTERN-ALIEN")
+ (:import-from #+cmu"C-CALL" #+sbcl"SB-ALIEN" "%NATURALIZE-C-STRING" "VOID")