+void Engine::register_function(const std::string& name, int (*code)(int, char**)) // deprecated
+{
+ register_function(name, [code](std::vector<std::string> args) { return xbt::wrap_main(code, std::move(args)); });
+}
+void Engine::register_default(int (*code)(int, char**)) // deprecated
+{
+ register_default([code](std::vector<std::string> args) { return xbt::wrap_main(code, std::move(args)); });
+}
+
+/** Registers the main function of an actor that will be launched from the deployment file */
+void Engine::register_function(const std::string& name, void (*code)(int, char**))
+{
+ register_function(name, [code](std::vector<std::string> args) { return xbt::wrap_main(code, std::move(args)); });
+}
+
+/** Registers the main function of an actor that will be launched from the deployment file */
+void Engine::register_function(const std::string& name, void (*code)(std::vector<std::string>))
+{
+ register_function(name,
+ [code](std::vector<std::string> args) { return std::bind(std::move(code), std::move(args)); });
+}
+/** Registers a function as the default main function of actors
+ *
+ * It will be used as fallback when the function requested from the deployment file was not registered.
+ * It is used for trace-based simulations (see examples/s4u/replay-comms and similar).
+ */
+void Engine::register_default(void (*code)(int, char**))