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<html><head><title>
HDF5 Draft Glossary
</title></head>

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Glossary
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<center>
<h1>HDF5 Glossary</h1>
</center>

<i>(<b>Under construction!</b> 
    This is the bare beginning of a Glossary to accompany the HDF5 
    documentation; it is by no means complete.)</i>

<ul>
    <li><a href="#Glossary-Basic">basic data types</a>
    <li><a href="#Glossary-Complex">complex data types</a>
    <li>data types
<ul>
        <li><a href="#Glossary-Basic">basic data types</a>
        <li><a href="#Glossary-Complex">complex data types</a>
        <li><a href="#Glossary-DiskIO">disk I/O data types</a>
</ul>
    <li><a href="#Glossary-DiskIO">disk I/O data types</a>
</ul>


<hr>

<a name="Glossary-Basic">basic data types:</a>
<ul>
    <li><em>(Some data types may change substantially en route to 
        Release 1.0.)</em>
    <li>char     - 8-bit character (only for ASCII information)
    <li>int8     - 8-bit signed integer
    <li>uint8    - 8-bit unsigned integer
    <li>int16    - 16-bit signed integer
    <li>uint16   - 16-bit unsigned integer
    <li>int32    - 32-bit signed integer
    <li>uint32   - 32-bit unsigned integer
    <li>intn     - "native" signed integer
    <li>uintn    - "native" unsigned integer
    <li>int64    - 64-bit signed integer (new)
    <li>uint64   - 64-bit unsigned integer (new)
    <li>float32  - 32-bit IEEE float
    <li>float64  - 64-bit IEEE float
</ul>

<a name="Glossary-Complex">Complex data types:</a>
<ul>
    <li><em>(Some data types may change substantially en route to 
        Release 1.0.)</em>
    <li>hid_t   - 32-bit unsigned integer used as ID for memory objects
    <li>hoid_t  - 32-bit unsigned integer (currently) used as ID for disk-based
                objects
    <li>hbool_t - boolean to indicate true/false/error codes from functions
    <li>herr_t  - 32-bit integer to indicate succeed/fail codes from functions
</ul>

<a name="Glossary-DiskIO">disk I/O data types:</a>
<ul>
    <li><em>(Some data types may change substantially en route to 
        Release 1.0.)</em>
    <li>hoff_t  - (64-bit?) offset on disk in bytes
    <li>hlen_t  - (64-bit?) length on disk in bytes
</ul>

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Glossary
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Last modified:  14 July 1998

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