#include 
     
      #include "lauxlib.h"/* Pop-up a Windows message box with your choice of message and caption */int lua_msgbox(lua_State* L){    const char* message = luaL_checkstring(L, 1);    const char* caption = luaL_optstring(L, 2, "");    int result = MessageBoxA(NULL, message, caption, MB_OK);    lua_pushnumber(L, result);    return 1;}int __declspec(dllexport) libinit(lua_State* L){    lua_register(L, "msgbox", lua_msgbox);    return 0;}