-lispobj copy_large_unboxed_object(lispobj object, long nwords);
-lispobj copy_unboxed_object(lispobj object, long nwords);
-lispobj copy_large_object(lispobj object, long nwords);
-lispobj copy_object(lispobj object, long nwords);
-lispobj copy_code_object(lispobj object, long nwords);
+lispobj copy_large_unboxed_object(lispobj object, sword_t nwords);
+lispobj copy_unboxed_object(lispobj object, sword_t nwords);
+lispobj copy_large_object(lispobj object, sword_t nwords);
+lispobj copy_object(lispobj object, sword_t nwords);
+lispobj copy_code_object(lispobj object, sword_t nwords);