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ClfsLsnNull routine

The ClfsLsnNull routine determines whether a specified LSN is equal to the smallest possible LSN, CLFS_LSN_NULL.

Syntax

C++
Copy 

BOOLEAN ClfsLsnNull(
  _In_  const CLFS_LSN *plsn
);

Parameters

plsn [in]

A pointer to a CLFS_LSN structure that supplies the LSN to be tested.

Return value

ClfsLsnNull returns TRUE if the LSN supplied by the caller is equal to CLFS_LSN_NULL; otherwise, it returns FALSE.

Remarks

For an explanation of CLFS concepts and terminology, see Common Log File System.

Requirements

Version

Available in Windows Server 2003 R2, Windows Vista, and later versions of Windows.

Header
Wdm.h (include Wdm.h)

Library
Contained in Clfs.lib.

IRQL

Any level

See also

ClfsLsnGreater
ClfsLsnLess
ClfsLsnEqual

 

 

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Build date: 5/22/2013

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