Returns the total number of bytes the network interface has sent since the Parallels Service was last started.
PRL_RESULT PrlStatIface_GetOutDataSize( PRL_HANDLE hIfaceStat, PRL_UINT64_PTR pnDataSize );
PrlApiStat.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.