Like C, Lite-C has no templates.

You can always use conventional C++ to write strategies:
https://zorro-project.com/manual/en/dlls.htm

In the future, oP group plans on adding "Support for .cpp scripts by directly calling the VC++ compiler and linker." This means you'll be able to do rapid prototyping without having to fire up Visual Studio every time.
https://zorro-project.com/manual/en/new.htm