1 files changed, 2 insertions, 0 deletions
diff --git a/amount.h b/amount.h
index 9edbd9fd..d6fb2265 100644
--- a/amount.h
+++ b/amount.h
@@ -170,6 +170,8 @@ class amount_t
   friend std::istream& operator>>(std::istream& in, amount_t& amt);
 };
 
+unsigned int sizeof_bigint_t();
+
 void parse_quantity(std::istream& in, std::string& value);
 void parse_commodity(std::istream& in, std::string& symbol);