STARTING_VCN_INPUT_BUFFER structure (winioctl.h)

Contains the starting VCN to the FSCTL_GET_RETRIEVAL_POINTERS control code.

Syntax

typedef struct {
  LARGE_INTEGER StartingVcn;
} STARTING_VCN_INPUT_BUFFER, *PSTARTING_VCN_INPUT_BUFFER;

Members

StartingVcn

The VCN at which the operation will begin enumerating extents in the file. This value may be rounded down to the first VCN of the extent in which the specified extent is found.

Requirements

   
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Header winioctl.h (include Windows.h)

See also

Defragmentation

FSCTL_GET_RETRIEVAL_POINTERS