1 files changed, 1 insertions, 0 deletions
diff --git a/arith.h b/arith.h
index 48d0eefd..91e197e0 100644
--- a/arith.h
+++ b/arith.h
@@ -25,6 +25,7 @@
  */
 
 val make_bignum(void);
+val bignum(cnum cn);
 int highest_bit(int_ptr_t n);
 val normalize(val bignum);
 void arith_init(void);