21     PyObject *dstoff;  member
476     Py_INCREF(tti->dstoff);  in zoneinfo_dst()
477     return tti->dstoff;  in zoneinfo_dst()
766     out->dstoff = NULL;  in build_ttinfo()
775     out->dstoff = load_timedelta(dstoffset);  in build_ttinfo()
776     if (out->dstoff == NULL) {  in build_ttinfo()
792         Py_XDECREF(ttinfo->dstoff);  in xdecref_ttinfo()
807     if ((rv = PyObject_RichCompareBool(tti0->dstoff, tti1->dstoff, Py_EQ)) <  in ttinfo_eq()
837     long *dstoff = NULL;  in load_data()  local
981     dstoff = PyMem_Calloc(self->num_ttinfos, sizeof(long));  in load_data()
982     if (dstoff == NULL) {  in load_data()
987     utcoff_to_dstoff(trans_idx, utcoff, dstoff, isdst, self->num_transitions,  in load_data()
1008         if (build_ttinfo(utcoff[i], dstoff[i], tzname, &(self->_ttinfos[i]))) {  in load_data()
1066         if (PyObject_IsTrue(tti->dstoff)) {  in load_data()
1068             Py_DECREF(tti_after->dstoff);  in load_data()
1069             tti_after->dstoff = tti->dstoff;  in load_data()
1070             Py_INCREF(tti_after->dstoff);  in load_data()
1148     if (dstoff != NULL) {  in load_data()
1149         PyMem_Free(dstoff);  in load_data()
1996         long dstoff = 0;  in utcoff_to_dstoff()  local
2000             dstoff = utcoff - utcoffs[comp_idx];  in utcoff_to_dstoff()
2003         if (!dstoff && idx < (num_ttinfos - 1)) {  in utcoff_to_dstoff()
2013             dstoff = utcoff - utcoffs[comp_idx];  in utcoff_to_dstoff()
2016         if (dstoff) {  in utcoff_to_dstoff()
2018             dstoffs[idx] = dstoff;  in utcoff_to_dstoff()
2685         NO_TTINFO.dstoff = Py_None;  in zoneinfomodule_exec()