ref: ab21f2b775066b8158ac5d90c0dba6a99c7aa2e7
dir: /lua/etc/lua.hpp/
// lua.hpp
// Lua header files for C++
// <<extern "C">> not supplied automatically because Lua also compiles as C++
extern "C" {
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
}