The H5R_DEREFERENCE function opens a reference and returns the object identifier.
            Syntax
            Result = H5R_DEREFERENCE(Loc_id, Reference)
            Return Value
            The Result is the identifier number. This identifier should be released using the appropriate close procedure.
            Arguments
            Loc_id
            An integer giving the identifier in which the reference dataset is located.
            Reference
            An integer or H5 reference structure giving the reference number to open.
            Keywords
            None
            Version History
            
            See Also
            H5R_GET_OBJECT_TYPE