Structure

  struct FileMapStructure  
  {  
     LONG   fileBlock ;  
     LONG   volumeBlock ;  
     LONG   numberOfBlocks ;  
  }; 
  

Fields

fileBlock

Specifies the starting logical block (zero-based) of the file for this extent or group of contiguous blocks.

volumeBlock

Specifies the actual starting logical volume block (zero-based) of the contiguous volume blocks assigned to the logical file blocks above.

numberOfBlocks

Specifies the number of contiguous volume blocks that compose this extent (extent block length).