tm_multi
tm_multi(struct tm *tmp, ATTRIBUTE_MAYBE_UNUSED enum tm_multi which)
return localtime_tzset(timep, tm_multi(&tm, LOCALTIME_TM_MULTI), true);
return gmtime_r(timep, tm_multi(&tm, GMTIME_TM_MULTI));
return offtime_r(timep, offset, tm_multi(&tm, OFFTIME_TM_MULTI));