DosPhysicalDisk Parameter - function

function (ULONG) - input

The type of information to obtain about the partitionable disks.

Possible values are shown in the following list:

• INFO_COUNT_PARTITIONABLE_DISKS
  Obtain the total number of partitionable disks.

• INFO_GETIOCTLHANDLE
  Obtain a handle to use with Category 09h Physical Disk Control IOCtl Commands.

• INFO_FREEIOCTLHANDLE
  Release a handle for a partitionable disk.

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