47   uv->v = &uv->u.value;  in luaF_newupval()
59     lua_assert(p->v != &p->u.value);  in luaF_findupval()
73   uv->u.l.prev = &g->uvhead;  /* double link it in `uvhead' list */  in luaF_findupval()
74   uv->u.l.next = g->uvhead.u.l.next;  in luaF_findupval()
75   uv->u.l.next->u.l.prev = uv;  in luaF_findupval()
76   g->uvhead.u.l.next = uv;  in luaF_findupval()
77   lua_assert(uv->u.l.next->u.l.prev == uv && uv->u.l.prev->u.l.next == uv);  in luaF_findupval()
83   lua_assert(uv->u.l.next->u.l.prev == uv && uv->u.l.prev->u.l.next == uv);  in unlinkupval()
84   uv->u.l.next->u.l.prev = uv->u.l.prev;  /* remove from `uvhead' list */  in unlinkupval()
85   uv->u.l.prev->u.l.next = uv->u.l.next;  in unlinkupval()
90   if (uv->v != &uv->u.value)  /* is it open? */  in luaF_freeupval()
101     lua_assert(!isblack(o) && uv->v != &uv->u.value);  in luaF_close()
107       setobj(L, &uv->u.value, uv->v);  in luaF_close()
108       uv->v = &uv->u.value;  /* now current value lives here */  in luaF_close()