223     assert(aUdpSocket->mHandle == nullptr);  in otPlatUdpSocket()
228     aUdpSocket->mHandle = FdToHandle(fd);  in otPlatUdpSocket()
241     VerifyOrExit(aUdpSocket->mHandle != nullptr);  in otPlatUdpClose()
243     fd = FdFromHandle(aUdpSocket->mHandle);  in otPlatUdpClose()
246     aUdpSocket->mHandle = nullptr;  in otPlatUdpClose()
258     assert(aUdpSocket->mHandle != nullptr);  in otPlatUdpBind()
260     fd = FdFromHandle(aUdpSocket->mHandle);  in otPlatUdpBind()
291     int     fd    = FdFromHandle(aUdpSocket->mHandle);  in otPlatUdpBindToNetif()
362     VerifyOrExit(aUdpSocket->mHandle != nullptr, error = OT_ERROR_INVALID_ARGS);  in otPlatUdpConnect()
364     fd = FdFromHandle(aUdpSocket->mHandle);  in otPlatUdpConnect()
396                       fd = FdFromHandle(aUdpSocket->mHandle);  in otPlatUdpConnect()
429     VerifyOrExit(aUdpSocket->mHandle != nullptr, error = OT_ERROR_INVALID_ARGS);  in otPlatUdpSend()
430     fd = FdFromHandle(aUdpSocket->mHandle);  in otPlatUdpSend()
468     VerifyOrExit(aUdpSocket->mHandle != nullptr, error = OT_ERROR_INVALID_ARGS);  in otPlatUdpJoinMulticastGroup()
469     fd = FdFromHandle(aUdpSocket->mHandle);  in otPlatUdpJoinMulticastGroup()
511     VerifyOrExit(aUdpSocket->mHandle != nullptr, error = OT_ERROR_INVALID_ARGS);  in otPlatUdpLeaveMulticastGroup()
512     fd = FdFromHandle(aUdpSocket->mHandle);  in otPlatUdpLeaveMulticastGroup()
560         if (socket->mHandle == nullptr)  in Update()
565         fd = FdFromHandle(socket->mHandle);  in Update()
619         int fd = FdFromHandle(socket->mHandle);  in Process()