119       u = u->gch.next;  in marktmu()
131   GCObject **p = &g->mainthread->next;  in luaC_separateudata()
135       p = &curr->gch.next;  /* don't bother with them */  in luaC_separateudata()
138       p = &curr->gch.next;  in luaC_separateudata()
143       *p = curr->gch.next;  in luaC_separateudata()
146         g->tmudata = curr->gch.next = curr;  /* creates a circular list */  in luaC_separateudata()
148         curr->gch.next = g->tmudata->gch.next;  in luaC_separateudata()
149         g->tmudata->gch.next = curr;  in luaC_separateudata()
417       p = &curr->gch.next;  in sweeplist()
421       *p = curr->gch.next;  in sweeplist()
423         g->rootgc = curr->gch.next;  /* adjust first */  in sweeplist()
447   GCObject *o = g->tmudata->gch.next;  /* get first element */  in GCTM()
454     g->tmudata->gch.next = udata->uv.next;  in GCTM()
455   udata->uv.next = g->mainthread->next;  /* return it to `root' list */  in GCTM()
456   g->mainthread->next = o;  in GCTM()
517   for (uv = g->uvhead.u.l.next; uv != &g->uvhead; uv = uv->u.l.next) {  in remarkupvals()
518     lua_assert(uv->u.l.next->u.l.prev == uv && uv->u.l.prev->u.l.next == uv);  in remarkupvals()
687   o->gch.next = g->rootgc;  in luaC_link()
697   o->gch.next = g->rootgc;  /* link upvalue into `rootgc' list */  in luaC_linkupval()