Function lua_isuserdata

libraries/lua-gph/lib/src/lapi.cpp:301–305

}

LUA_API int lua_isuserdata(lua_State *L, int idx)
{
  const TValue *o = index2addr(L, idx);
  return (ttisfulluserdata(o) || ttislightuserdata(o));
}

LUA_API int lua_rawequal(lua_State *L, int index1, int index2)
{