43     ExternalFileUnit *external{actualExternal};  in DefinedFormattedIo()  local
44     if (!external) {  in DefinedFormattedIo()
47       external = &ExternalFileUnit::NewUnit(handler, true);  in DefinedFormattedIo()
49     ChildIo &child{external->PushChildIo(io)};  in DefinedFormattedIo()
50     int unit{external->unitNumber()};  in DefinedFormattedIo()
65     external->PopChildIo(child);  in DefinedFormattedIo()
68       auto *closing{external->LookUpForClose(external->unitNumber())};  in DefinedFormattedIo()
69       RUNTIME_CHECK(handler, external == closing);  in DefinedFormattedIo()
70       external->DestroyClosed();  in DefinedFormattedIo()
86   ExternalFileUnit *external{io.GetExternalFileUnit()};  in DefinedUnformattedIo()  local
87   RUNTIME_CHECK(handler, external != nullptr);  in DefinedUnformattedIo()
88   ChildIo &child{external->PushChildIo(io)};  in DefinedUnformattedIo()
89   int unit{external->unitNumber()};  in DefinedUnformattedIo()
102   external->PopChildIo(child);  in DefinedUnformattedIo()