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

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H5R_ref_t Struct Reference

`#include <src/H5Rpublic.h>`

## Detailed Description

Opaque reference type. The same reference type is used for object, dataset region and attribute references. This is the type that should always be used with the current reference API.

## Data Fields
union { |
uint8_t __data [(64)] |
int64_t align |
} | u

## Field Documentation

## ◆ __data

uint8_t __data[(64)]

opaque data

## ◆ align

int64_t align

ensures alignment

## ◆ [union]

union { ... } u

The documentation for this struct was generated from the following file:

- src/H5Rpublic.h