luaH_resize
luaH_resize(L, t, narray, nrec);
luaH_resize(L, registry, LUA_RIDX_LAST, 0);
luaH_resize(L, t, nasize, nsize);
luaH_resize(L, t, nasize, totaluse - na);
LUAI_FUNC void luaH_resize (lua_State *L, Table *t, int nasize, int nhsize);
luaH_resize(L, t, luaO_fb2int(b), luaO_fb2int(c));