setcolor

#include <Windows.h>
#include "lauxlib.h"

int lua_setcolor(lua_State* L)
{
    lua_Number color = luaL_checknumber(L, 1);
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), (WORD)color);
    return 0;
}

int lua_sleep(lua_State* L)
{
    lua_Number timeToSleep = luaL_checknumber(L, 1);
    Sleep((DWORD)timeToSleep);
    return 0;
}

int __declspec(dllexport) InitLibrary(lua_State* L)
{
    lua_register(L, "sleep", lua_sleep);
    lua_register(L, "setcolor", lua_setcolor);
    return 0;
}