Function gettable

3rd/lua-5.4.3/src/lapi.c:719–723

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) {