diff --git a/src/new-cmp/cmpc-ops.lsp b/src/new-cmp/cmpc-ops.lsp
index e558b0145..238853b5a 100644
--- a/src/new-cmp/cmpc-ops.lsp
+++ b/src/new-cmp/cmpc-ops.lsp
@@ -230,6 +230,13 @@
   (loop for (v . required-loc) in var-loc-pairs
      do (bind required-loc v)))
 
+(defconstant +simple-va-args+ (make-symbol "args"))
+(defconstant +cl-va-args+ (make-symbol "cl_args"))
+(defconstant +nargs-var+ (make-symbol "narg"))
+
+(defun simple-varargs-loc-p (var)
+  (string= (var-name var) +simple-va-args+))
+
 (defun c2varargs-bind-op (nargs-loc varargs-loc minargs maxargs nkeywords check)
   (open-c-block)
   (wt-comment "Arguments parsing - begin")
diff --git a/src/new-cmp/cmplam.lsp b/src/new-cmp/cmplam.lsp
index 946a68f86..6ed759a37 100644
--- a/src/new-cmp/cmplam.lsp
+++ b/src/new-cmp/cmplam.lsp
@@ -195,13 +195,13 @@
     (setf compiled-body (c1requireds requireds ss is ts))
     (let* ((nkeys (pop keywords)))
       (when (or optionals rest keywords)
-        (setf nargs (make-var :name +nargs-var+ :type 'FIXNUM
+        (setf nargs (make-var :name c-backend:+nargs-var+ :type 'FIXNUM
                               :loc '(VV "narg" 0)
                               :kind :fixnum)
               varargs (if (and (not (or rest keywords allow-other-keys))
                                (< maxargs 30))
-                          +simple-va-args+
-                          +cl-va-args+)
+                          c-backend:+simple-va-args+
+                          c-backend:+cl-va-args+)
               varargs (make-var :name varargs :type 'T
                                 :loc `(VV ,varargs 0)
                                 :kind :OBJECT)
@@ -296,13 +296,6 @@
         (t
          (c1progn 'VALUES+VALUE0 body))))
 
-(defconstant +simple-va-args+ (make-symbol "args"))
-(defconstant +cl-va-args+ (make-symbol "cl_args"))
-(defconstant +nargs-var+ (make-symbol "narg"))
-
-(defun simple-varargs-loc-p (var)
-  (string= (var-name var) +simple-va-args+))
-
 (defun c1requireds (requireds ss is ts)
   (c1bind-requireds
    (loop for i from 1
diff --git a/src/new-cmp/cmppackage.lsp b/src/new-cmp/cmppackage.lsp
index cd1db7ee7..b9ee1a711 100644
--- a/src/new-cmp/cmppackage.lsp
+++ b/src/new-cmp/cmppackage.lsp
@@ -200,6 +200,10 @@
 (defpackage "C-BACKEND"
   (:use "FFI" "CL" "C-DATA" "C-TYPES" "C-ENV" "C-PASSES" "C-LOG")
   (:export "CTOP-WRITE" "DUMP-ALL" "DATA-DUMP"
+           "+SIMPLE-VA-ARGS+"
+           "+CL-VA-ARGS+"
+           "+NARGS-VAR+"
+           "SIMPLE-VARARGS-LOC-P"
            "WT-FILTERED-DATA"))
 
 (defpackage "C"