setobj
setobj(L, val, L->top);
setobj(L, to, fr);
setobj(L, f->upvals[0]->v, gt);
setobj(L, &f->k[k], v);
setobj(L, &uv->u.value, uv->v); /* move value to upvalue slot */
#define setobjs2s setobj
#define setobj2s setobj
#define setobjt2t setobj
#define setobj2t setobj
#define setobj2n setobj
setobj(L, uv->v, ra);