IN  PDLC_COMMAND *ppQueue,
  IN  PVOID pSearchHandle,
  IN  BOOLEAN SearchCompletionFlags

Routine Description:

    This primitive cancels the given timer command in a
    special timer queue.


    ppQueue - the base address of the command queue

    pSearchHandle - command completion flag or ccb address of
        the timer command.

    SearchCompletionFlags - ste TRUE, if we are searching a completion flag

Return Value:

    PDLC_COMMAND * the address of the address of the found timer command