if(NULL == (bt = (H5B_t *)H5AC_protect(f, dxpl_id, H5AC_BT, addr, &cache_udata, H5AC__READ_ONLY_FLAG)))
 
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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 COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
 *
 * Created:     H5Bdbg.c
 *          Dec 11 2008
 *          Quincey Koziol <koziol@hdfgroup.org>
 *
 * Purpose:     Debugging routines for B-link tree package.
 *
 *-------------------------------------------------------------------------
 */
/****************/
/* Module Setup */
/****************/
#include "H5Bmodule.h"          /* This source code file is part of the H5B module */
/***********/
/* Headers */
/***********/
#include "H5private.h"      /* Generic Functions            */
#include "H5Bpkg.h"     /* B-link trees             */
#include "H5Eprivate.h"     /* Error handling           */
#include "H5MMprivate.h"    /* Memory management            */
/*-------------------------------------------------------------------------
 * Function:    H5B_debug
 *
 * Purpose: Prints debugging info about a B-tree.
 *
 * Return:  Non-negative on success/Negative on failure
 *
 * Programmer:  Robb Matzke
 *      matzke@llnl.gov
 *      Aug  4 1997