Function gettable

xrepo/packages/l/lua/port/lua/src/lapi.c:729–733

static Table *gettable (lua_State *L, int idx) {
  TValue *t = index2value(L, idx);
  api_check(L, ttistable(t), "table expected");
  return hvalue(t);
}


LUA_API int lua_rawget (lua_State *L, int idx) {