CallInfo *ci;
StkId st, base;
Proto *p = cl->p;
luaD_checkstack(L, p->maxstacksize);
luaD_checkstack(L, p->maxstacksize + p->numparams);
func = restorestack(L, funcr);
if (!p->is_vararg) { /* no varargs? */
base = func + 1;