1 files changed, 2 insertions, 1 deletions
diff --git a/sloth.h b/sloth.h
index cc56b76..53d7c24 100644
--- a/sloth.h
+++ b/sloth.h
@@ -55,6 +55,7 @@ SlothError sloth_write(Sloth *ctx);
 SlothError sloth_store(Sloth *ctx);
 SlothError sloth_retrieve(Sloth *ctx);
 SlothError sloth_compare(Sloth *ctx);
+SlothError sloth_neg(Sloth *ctx);
 SlothError sloth_compile_begin(Sloth *ctx);
 SlothError sloth_compile_end(Sloth *ctx);
-void sloth_inspect_stack(const Sloth *ctx);
+SlothError sloth_inspect_stack(Sloth *ctx);