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

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hdr_t Type Reference

## Detailed Description

hdr_t derived type

## Data Fields
integer | flags
| Object header status flags.
type(mesg_t) | mesg
integer | nchunks
| Number of object header chunks.
integer | nmesgs
| Number of object header messages.
type(space_t) | space
integer | version
| Version number of header format in file.

## Field Documentation

## ◆ flags

integer flags

Object header status flags.

## ◆ mesg

type(mesg_t) mesg

## ◆ nchunks

integer nchunks

Number of object header chunks.

## ◆ nmesgs

integer nmesgs

Number of object header messages.

## ◆ space

type(space_t) space

## ◆ version

integer version

Version number of header format in file.

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

- fortran/src/H5Off.F90