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| HDF5 Last Updated on 2026-03-23 The HDF5 Field Guide

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UNIX-specific Datatypes
Datatypes (H5T) » Predefined Datatypes

## Detailed Description

Types which are particular to Unix.

Predefined UNIX-specific Datatypes
Datatype | Description
--- | ---
H5T_UNIX_D32BE | 32-bit big-endian
H5T_UNIX_D32LE | 32-bit little-endian
H5T_UNIX_D64BE | 64-bit big-endian
H5T_UNIX_D64LE | 64-bit little-endian

## Macros
#define | H5T_UNIX_D32BE (H5OPEN H5T_UNIX_D32BE_g)
#define | H5T_UNIX_D32LE (H5OPEN H5T_UNIX_D32LE_g)
#define | H5T_UNIX_D64BE (H5OPEN H5T_UNIX_D64BE_g)
#define | H5T_UNIX_D64LE (H5OPEN H5T_UNIX_D64LE_g)

## Macro Definition Documentation

## ◆ H5T_UNIX_D32BE

#define H5T_UNIX_D32BE (H5OPEN H5T_UNIX_D32BE_g)

Big-endian 32-bit UNIX time_t

Since
  1.0.0

## ◆ H5T_UNIX_D32LE

#define H5T_UNIX_D32LE (H5OPEN H5T_UNIX_D32LE_g)

Little-endian 32-bit UNIX time_t

Since
  1.0.0

## ◆ H5T_UNIX_D64BE

#define H5T_UNIX_D64BE (H5OPEN H5T_UNIX_D64BE_g)

Big-endian 64-bit UNIX time_t

Since
  1.0.0

## ◆ H5T_UNIX_D64LE

#define H5T_UNIX_D64LE (H5OPEN H5T_UNIX_D64LE_g)

Little-endian 64-bit UNIX time_t

Since
  1.0.0