#elif defined(H5_HAVE_GETTIMEOFDAY) && defined(H5_HAVE_STRUCT_TIMEZONE) && defined(H5_GETTIMEOFDAY_GIVES_TZ)
 
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Programmer:  Robb Matzke <matzke@llnl.gov>
 *      Friday, July 24, 1998
 *
 * Purpose: The object modification time message.
 */
#define H5O_PACKAGE     /*suppress error about including H5Opkg   */
#include "H5private.h"      /* Generic Functions            */
#include "H5Eprivate.h"     /* Error handling           */
#include "H5FLprivate.h"    /* Free lists                           */
#include "H5MMprivate.h"    /* Memory management            */
#include "H5Opkg.h"             /* Object headers           */
static void *H5O_mtime_new_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
    unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
static herr_t H5O_mtime_new_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static size_t H5O_mtime_new_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
static void *H5O_mtime_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
    unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
static herr_t H5O_mtime_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_mtime_copy(const void *_mesg, void *_dest);
static size_t H5O_mtime_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
static herr_t H5O_mtime_reset(void *_mesg);
static herr_t H5O_mtime_free(void *_mesg);
static herr_t H5O_mtime_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE *stream,
                 int indent, int fwidth);
/* This message derives from H5O message class */
const H5O_msg_class_t H5O_MSG_MTIME[1] = {{
    H5O_MTIME_ID,       /*message id number     */
    "mtime",            /*message name for debugging    */
    sizeof(time_t),     /*native message size       */
    0,              /* messages are sharable?       */