BLOCK_TYPE MupDecodeFileObject( IN PFILE_OBJECT FileObject, OUT PVOID *FsContext, OUT PVOID *FsContext2 ); Routine Description: This procedure takes a pointer to a file object, that has already been opened by the MUP and figures out what it really is opened. Arguments: FileObject - Supplies the file object pointer being interrogated FsContext - Receive the file object FsContext pointer FsContext2 - Receive the file object FsContext2 pointer Return Value: BlockType - Returns the node type code for a Vcb or Fcb. Vcb - indicates that file object opens the mup driver. Ccb - indicates that the file object is for a broadcast mailslot file. Zero - indicates that the file object has been closed.