H5_DLL herr_t H5I_iterate(H5I_type_t type, H5I_search_func_t func, void *udata, hbool_t app_ref);
 
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the files COPYING and Copyright.html.  COPYING can be found at the root   *
 * of the source code distribution tree; Copyright.html can be found at the  *
 * root level of an installed copy of the electronic HDF5 document set and   *
 * is linked from the top-level documents page.  It can also be found at     *
 * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
 * access to either file, you may request a copy from help@hdfgroup.org.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-----------------------------------------------------------------------------
 * File:    H5Iprivate.h
 * Purpose: header file for ID API
 *---------------------------------------------------------------------------*/
/* avoid re-inclusion */
#ifndef _H5Iprivate_H
#define _H5Iprivate_H
/* Include package's public header */
#include "H5Ipublic.h"
/* Private headers needed by this file */
#include "H5private.h"
/**************************/
/* Library Private Macros */
/**************************/
/* Macro to determine if a H5I_type_t is a "library type" */
#define H5I_IS_LIB_TYPE( type ) (type > 0 && type < H5I_NTYPES)
/* Flags for ID class */
#define H5I_CLASS_IS_APPLICATION        0x01
/****************************/
/* Library Private Typedefs */
/****************************/
typedef struct H5I_class_t {
    H5I_type_t type_id;         /* Class ID for the type */
    unsigned flags;             /* Class behavior flags */
    size_t hash_size;           /* Minimum hash table size for the type */
    unsigned reserved;          /* Number of reserved IDs for this type */
                                /* [A specific number of type entries may be