336     if (!IsChild() && oldRole != kRoleDisabled)  in SetRole()
341     if ((oldRole == kRoleDetached) && IsChild())  in SetRole()
486         if (IsChild())  in Store()
575     VerifyOrExit(IsChild(), error = kErrorInvalidState);  in SearchForBetterParent()
688 bool Mle::IsAttached(void) const { return (IsChild() || IsRouter() || IsLeader()); }  in IsAttached()
781     VerifyOrExit(IsChild() || IsRouter());  in InformPreviousChannel()
811     if (IsChild())  in SetTimeout()
888     else if (IsChild())  in SetDeviceMode()
1107     if (IsChild() && !IsFullThreadDevice())  in ScheduleChildUpdateRequestIfMtdChild()
1413     if (IsChild())  in HasAcceptableParentCandidate()
1563     VerifyOrExit(!IsChild() && (mReattachState == kReattachStop) &&  in PrepareAnnounceState()
1610         if (!IsChild())  in Reattach()
1767         if (IsChild())  in SendChildIdRequest()
1832     if (IsChild() && !IsRxOnWhenIdle())  in SendDataRequest()
1914     if (IsChild() && IsRxOnWhenIdle())  in ScheduleMessageTransmissionTimer()
1957         VerifyOrExit(IsChild() && IsRxOnWhenIdle());  in HandleMessageTransmissionTimer()
2704     if (IsChild() && (&aNeighbor == &mParent))  in ReestablishLinkWithNeighbor()
2752     if (IsChild())  in HandleAdvertisement()
2855         if (IsChild())  in HandleLeaderData()
3083     if (IsChild() && mParent.GetExtAddress() == extAddress)  in HandleParentResponse()
3859     VerifyOrExit(IsChild(), error = kErrorInvalidState);  in GetParentInfo()
3937     VerifyOrExit(Get<Mle>().IsChild());  in HandleTimer()