LUA_TUPVAL         46 lib/lua/lfunc.c   luaC_link(L, obj2gco(uv), LUA_TUPVAL);
LUA_TUPVAL         68 lib/lua/lfunc.c   uv->tt = LUA_TUPVAL;
LUA_TUPVAL         83 lib/lua/lgc.c      case LUA_TUPVAL: {
LUA_TUPVAL        382 lib/lua/lgc.c      case LUA_TUPVAL: luaF_freeupval(L, gco2uv(o)); break;
LUA_TUPVAL        156 lib/lua/lstate.h #define gco2uv(o)	check_exp((o)->gch.tt == LUA_TUPVAL, &((o)->uv))
LUA_TUPVAL        158 lib/lua/lstate.h 	check_exp((o) == NULL || (o)->gch.tt == LUA_TUPVAL, &((o)->uv))