diff --git a/src/fios.h b/src/fios.h
--- a/src/fios.h
+++ b/src/fios.h
@@ -117,6 +117,8 @@ std::string FiosMakeHeightmapName(const 
 std::string FiosMakeSavegameName(const char *name);
 
 std::tuple<FiosType, std::string> FiosGetSavegameListCallback(SaveLoadOperation fop, const std::string &file, const std::string_view ext);
+std::tuple<FiosType, std::string> FiosGetScenarioListCallback(SaveLoadOperation fop, const std::string &file, const std::string_view ext);
+std::tuple<FiosType, std::string> FiosGetHeightmapListCallback(SaveLoadOperation fop, const std::string &file, const std::string_view ext);
 
 void ScanScenarios();
 const char *FindScenario(const ContentInfo *ci, bool md5sum);