1 files changed, 1 insertions, 0 deletions

diff --git a/tools/nissy_extra.h b/tools/nissy_extra.h
index 53c3df7..cc7b088 100644
--- a/tools/nissy_extra.h
+++ b/tools/nissy_extra.h
@@ -10,3 +10,4 @@ for testing purposes only.
 
 size_t gendata_h48_derive(uint8_t, const void *, void *);
 int parse_h48_solver(const char *, uint8_t [static 1], uint8_t [static 1]);
+int64_t nissy_derivedata(const char *, const void *, void *);