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The ClfsLsnNull routine determines whether a specified LSN is equal to the smallest possible LSN, CLFS_LSN_NULL.
Syntax
CLFSUSER_API BOOLEAN ClfsLsnNull(
[in] const CLFS_LSN *plsn
);
Parameters
[in] plsn
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
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Windows Server 2003 R2, Windows Vista, and later versions of Windows. |
| Target Platform | Desktop |
| Header | wdm.h (include Wdm.h) |
| Library | Clfs.lib |
| DLL | Clfs.sys |
| IRQL | Any level |