#define STATUS_NOT_IMPLEMENTED
#define IRPCONTEXT_COMPLETE
NTSTATUS VfatPnp(PVFAT_IRP_CONTEXT IrpContext)
#define IRP_MN_SURPRISE_REMOVAL
#define IoSkipCurrentIrpStackLocation(Irp)
PDEVICE_OBJECT DeviceObject
#define IRP_MN_REMOVE_DEVICE
#define IRP_MN_CANCEL_REMOVE_DEVICE
#define IRP_MN_QUERY_REMOVE_DEVICE