_dvdcmdblk

type _dvdcmdblk = record

  node: lwp_node;

  cmd: cuint32;

  state: cint32;

  offset: cint64;

  len: cuint32;

  buf: pointer;

  currtxsize: cuint32;

  txdsize: cuint32;

  id: pdvddiskid;

  cb: dvdcbcallback;

  usrdata: pointer;

end;