#ifndef _NTIOAPI_H
// Output structure for IOCTL_MOUNTMGR_DELETE_POINTS, IOCTL_MOUNTMGR_QUERY_POINTS, and IOCTL_MOUNTMGR_DELETE_POINTS_DBONLY.
typedef struct _MOUNTMGR_MOUNT_POINTS
{
ULONG Size;
ULONG NumberOfMountPoints;
_Field_size_(NumberOfMountPoints) MOUNTMGR_MOUNT_POINT MountPoints[1];
} MOUNTMGR_MOUNT_POINTS, *PMOUNTMGR_MOUNT_POINTS;
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This structure is documented in Windows Driver Kit.