basemt_obj        790 lj_api.c           mt = tabref(basemt_obj(G(L), o));
basemt_obj        983 lj_api.c             setgcref(basemt_obj(g, o), obj2gco(mt));
basemt_obj         64 lj_meta.c          mt = tabref(basemt_obj(G(L), o));
basemt_obj        848 lj_record.c        mt = tabref(basemt_obj(J2G(J), &ix->tabv));