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<div class="headertitle"><div class="title">H5VL_class_t Struct Reference<div class="ingroups"><a class="el" href="group___h5_v_l.html">VOL connector (H5VL)</a> &raquo; <a class="el" href="group___h5_v_l_d_e_v.html">VOL Developer</a></div></div></div>
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<p><code>#include &lt;src/H5VLconnector.h&gt;</code></p>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Class information for each VOL connector </p>
</div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pub-attribs" class="groupheader"><a id="pub-attribs" name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr class="memitem:aea95f1ef7bfe9d0a06f5d7ba4d992b33" id="r_aea95f1ef7bfe9d0a06f5d7ba4d992b33"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__attr__class__t.html">H5VL_attr_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#aea95f1ef7bfe9d0a06f5d7ba4d992b33">attr_cls</a></td></tr>
<tr class="memitem:aee571d79753251a1d6ebc1073254278c" id="r_aee571d79753251a1d6ebc1073254278c"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__blob__class__t.html">H5VL_blob_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#aee571d79753251a1d6ebc1073254278c">blob_cls</a></td></tr>
<tr class="memitem:ac4b405cf0a53f734d273232a82baf247" id="r_ac4b405cf0a53f734d273232a82baf247"><td class="memItemLeft">uint64_t&#160;</td><td class="memItemRight"><a class="el" href="#ac4b405cf0a53f734d273232a82baf247">cap_flags</a></td></tr>
<tr class="memitem:a6566afc54591b6c64dbec7bdc0bf0b58" id="r_a6566afc54591b6c64dbec7bdc0bf0b58"><td class="memItemLeft">unsigned&#160;</td><td class="memItemRight"><a class="el" href="#a6566afc54591b6c64dbec7bdc0bf0b58">conn_version</a></td></tr>
<tr class="memitem:a38be37dc57b556f87df46b0ea65c9ae0" id="r_a38be37dc57b556f87df46b0ea65c9ae0"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__dataset__class__t.html">H5VL_dataset_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#a38be37dc57b556f87df46b0ea65c9ae0">dataset_cls</a></td></tr>
<tr class="memitem:a49a73ac039550d87d60b485727149cce" id="r_a49a73ac039550d87d60b485727149cce"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__datatype__class__t.html">H5VL_datatype_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#a49a73ac039550d87d60b485727149cce">datatype_cls</a></td></tr>
<tr class="memitem:a94fcae0c3e55fb9da64b99cf5ec0cc05" id="r_a94fcae0c3e55fb9da64b99cf5ec0cc05"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__file__class__t.html">H5VL_file_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#a94fcae0c3e55fb9da64b99cf5ec0cc05">file_cls</a></td></tr>
<tr class="memitem:a6f9e6afe57118c01efbd5805d6f6615d" id="r_a6f9e6afe57118c01efbd5805d6f6615d"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__group__class__t.html">H5VL_group_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#a6f9e6afe57118c01efbd5805d6f6615d">group_cls</a></td></tr>
<tr class="memitem:afdbe51576a0f6360693757d6738111eb" id="r_afdbe51576a0f6360693757d6738111eb"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__info__class__t.html">H5VL_info_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#afdbe51576a0f6360693757d6738111eb">info_cls</a></td></tr>
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<tr class="memitem:aff81b23d1373b396d5eacda97bb4a6c6" id="r_aff81b23d1373b396d5eacda97bb4a6c6"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__introspect__class__t.html">H5VL_introspect_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#aff81b23d1373b396d5eacda97bb4a6c6">introspect_cls</a></td></tr>
<tr class="memitem:a3da742717813fedde17f3ef9a739a3a5" id="r_a3da742717813fedde17f3ef9a739a3a5"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__link__class__t.html">H5VL_link_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#a3da742717813fedde17f3ef9a739a3a5">link_cls</a></td></tr>
<tr class="memitem:a8f8f80d37794cde9472343e4487ba3eb" id="r_a8f8f80d37794cde9472343e4487ba3eb"><td class="memItemLeft">const char *&#160;</td><td class="memItemRight"><a class="el" href="#a8f8f80d37794cde9472343e4487ba3eb">name</a></td></tr>
<tr class="memitem:aee15298970b7178f78f92de98b7f8211" id="r_aee15298970b7178f78f92de98b7f8211"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__object__class__t.html">H5VL_object_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#aee15298970b7178f78f92de98b7f8211">object_cls</a></td></tr>
<tr class="memitem:a533cec569e2019874f02dd9552bcb68e" id="r_a533cec569e2019874f02dd9552bcb68e"><td class="memItemLeft"><a class="el" href="_h5public_8h.html#a3b079ecf932a5c599499cf7e298af160">herr_t</a>(*&#160;</td><td class="memItemRight"><a class="el" href="#a533cec569e2019874f02dd9552bcb68e">optional</a> )(void *obj, <a class="el" href="struct_h5_v_l__optional__args__t.html">H5VL_optional_args_t</a> *args, <a class="el" href="_h5_ipublic_8h.html#a0045db7ff9c22ad35db6ae91662e1943">hid_t</a> dxpl_id, void **req)</td></tr>
<tr class="memitem:adc5afcdccffe9dc3608ac8e23e8fea17" id="r_adc5afcdccffe9dc3608ac8e23e8fea17"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__request__class__t.html">H5VL_request_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#adc5afcdccffe9dc3608ac8e23e8fea17">request_cls</a></td></tr>
<tr class="memitem:a3da863f4634c64aeffe46cca882db43d" id="r_a3da863f4634c64aeffe46cca882db43d"><td class="memItemLeft"><a class="el" href="_h5public_8h.html#a3b079ecf932a5c599499cf7e298af160">herr_t</a>(*&#160;</td><td class="memItemRight"><a class="el" href="#a3da863f4634c64aeffe46cca882db43d">terminate</a> )(void)</td></tr>
<tr class="memitem:acd39460513ffed8d7d3eab4ebab54bb2" id="r_acd39460513ffed8d7d3eab4ebab54bb2"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__token__class__t.html">H5VL_token_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#acd39460513ffed8d7d3eab4ebab54bb2">token_cls</a></td></tr>
<tr class="memitem:a4531586e75e64de257cf51b4b7c50d70" id="r_a4531586e75e64de257cf51b4b7c50d70"><td class="memItemLeft"><a class="el" href="group___h5_v_l_d_e_f.html#ga81b40d59b53c498f8aa9d92d0afdde2c">H5VL_class_value_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#a4531586e75e64de257cf51b4b7c50d70">value</a></td></tr>
<tr class="memitem:a27fe8e82cf2ce359010cc1d08af2e105" id="r_a27fe8e82cf2ce359010cc1d08af2e105"><td class="memItemLeft">unsigned&#160;</td><td class="memItemRight"><a class="el" href="#a27fe8e82cf2ce359010cc1d08af2e105">version</a></td></tr>
<tr class="memitem:a74d541c08c6c71946cc5a1e105ca5e51" id="r_a74d541c08c6c71946cc5a1e105ca5e51"><td class="memItemLeft"><a class="el" href="struct_h5_v_l__wrap__class__t.html">H5VL_wrap_class_t</a>&#160;</td><td class="memItemRight"><a class="el" href="#a74d541c08c6c71946cc5a1e105ca5e51">wrap_cls</a></td></tr>
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<a name="doc-variable-members" id="doc-variable-members"></a><h2 id="header-doc-variable-members" class="groupheader">Field Documentation</h2>
<a id="aea95f1ef7bfe9d0a06f5d7ba4d992b33" name="aea95f1ef7bfe9d0a06f5d7ba4d992b33"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aea95f1ef7bfe9d0a06f5d7ba4d992b33">&#9670;&#160;</a></span>attr_cls</h2>
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<div class="memproto">
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<td class="memname"><a class="el" href="struct_h5_v_l__attr__class__t.html">H5VL_attr_class_t</a> attr_cls</td>
</tr>
</table>
</div><div class="memdoc">
<p>Attribute (H5A*) class callbacks </p>
</div>
</div>
<a id="aee571d79753251a1d6ebc1073254278c" name="aee571d79753251a1d6ebc1073254278c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aee571d79753251a1d6ebc1073254278c">&#9670;&#160;</a></span>blob_cls</h2>
<div class="memitem">
<div class="memproto">
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<td class="memname"><a class="el" href="struct_h5_v_l__blob__class__t.html">H5VL_blob_class_t</a> blob_cls</td>
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</div><div class="memdoc">
<p>'Blob' class callbacks </p>
</div>
</div>
<a id="ac4b405cf0a53f734d273232a82baf247" name="ac4b405cf0a53f734d273232a82baf247"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac4b405cf0a53f734d273232a82baf247">&#9670;&#160;</a></span>cap_flags</h2>
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<td class="memname">uint64_t cap_flags</td>
</tr>
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</div><div class="memdoc">
<p>Capability flags for connector </p>
</div>
</div>
<a id="a6566afc54591b6c64dbec7bdc0bf0b58" name="a6566afc54591b6c64dbec7bdc0bf0b58"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6566afc54591b6c64dbec7bdc0bf0b58">&#9670;&#160;</a></span>conn_version</h2>
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<td class="memname">unsigned conn_version</td>
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</table>
</div><div class="memdoc">
<p>Version number of connector </p>
</div>
</div>
<a id="a38be37dc57b556f87df46b0ea65c9ae0" name="a38be37dc57b556f87df46b0ea65c9ae0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a38be37dc57b556f87df46b0ea65c9ae0">&#9670;&#160;</a></span>dataset_cls</h2>
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<td class="memname"><a class="el" href="struct_h5_v_l__dataset__class__t.html">H5VL_dataset_class_t</a> dataset_cls</td>
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</div><div class="memdoc">
<p>Dataset (H5D*) class callbacks </p>
</div>
</div>
<a id="a49a73ac039550d87d60b485727149cce" name="a49a73ac039550d87d60b485727149cce"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a49a73ac039550d87d60b485727149cce">&#9670;&#160;</a></span>datatype_cls</h2>
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<td class="memname"><a class="el" href="struct_h5_v_l__datatype__class__t.html">H5VL_datatype_class_t</a> datatype_cls</td>
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</div><div class="memdoc">
<p>Datatype (H5T*) class callbacks </p>
</div>
</div>
<a id="a94fcae0c3e55fb9da64b99cf5ec0cc05" name="a94fcae0c3e55fb9da64b99cf5ec0cc05"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a94fcae0c3e55fb9da64b99cf5ec0cc05">&#9670;&#160;</a></span>file_cls</h2>
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<td class="memname"><a class="el" href="struct_h5_v_l__file__class__t.html">H5VL_file_class_t</a> file_cls</td>
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</div><div class="memdoc">
<p>File (H5F*) class callbacks </p>
</div>
</div>
<a id="a6f9e6afe57118c01efbd5805d6f6615d" name="a6f9e6afe57118c01efbd5805d6f6615d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6f9e6afe57118c01efbd5805d6f6615d">&#9670;&#160;</a></span>group_cls</h2>
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<td class="memname"><a class="el" href="struct_h5_v_l__group__class__t.html">H5VL_group_class_t</a> group_cls</td>
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</div><div class="memdoc">
<p>Group (H5G*) class callbacks </p>
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</div>
<a id="afdbe51576a0f6360693757d6738111eb" name="afdbe51576a0f6360693757d6738111eb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afdbe51576a0f6360693757d6738111eb">&#9670;&#160;</a></span>info_cls</h2>
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<td class="memname"><a class="el" href="struct_h5_v_l__info__class__t.html">H5VL_info_class_t</a> info_cls</td>
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</div><div class="memdoc">
<p>VOL info fields &amp; callbacks </p>
</div>
</div>
<a id="a0a18753f3a24e91b75fd802b81f044a7" name="a0a18753f3a24e91b75fd802b81f044a7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0a18753f3a24e91b75fd802b81f044a7">&#9670;&#160;</a></span>initialize</h2>
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<td class="memname"><a class="el" href="_h5public_8h.html#a3b079ecf932a5c599499cf7e298af160">herr_t</a>(* initialize) (<a class="el" href="_h5_ipublic_8h.html#a0045db7ff9c22ad35db6ae91662e1943">hid_t</a> vipl_id)</td>
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<p>Connector initialization callback </p>
</div>
</div>
<a id="aff81b23d1373b396d5eacda97bb4a6c6" name="aff81b23d1373b396d5eacda97bb4a6c6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aff81b23d1373b396d5eacda97bb4a6c6">&#9670;&#160;</a></span>introspect_cls</h2>
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<td class="memname"><a class="el" href="struct_h5_v_l__introspect__class__t.html">H5VL_introspect_class_t</a> introspect_cls</td>
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<p>Container/connector introspection class callbacks </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3da742717813fedde17f3ef9a739a3a5">&#9670;&#160;</a></span>link_cls</h2>
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<td class="memname"><a class="el" href="struct_h5_v_l__link__class__t.html">H5VL_link_class_t</a> link_cls</td>
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<p>Link (H5L*) class callbacks </p>
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<a id="a8f8f80d37794cde9472343e4487ba3eb" name="a8f8f80d37794cde9472343e4487ba3eb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8f8f80d37794cde9472343e4487ba3eb">&#9670;&#160;</a></span>name</h2>
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<td class="memname">const char* name</td>
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<p>Connector name (MUST be unique!) </p>
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<a id="aee15298970b7178f78f92de98b7f8211" name="aee15298970b7178f78f92de98b7f8211"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aee15298970b7178f78f92de98b7f8211">&#9670;&#160;</a></span>object_cls</h2>
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<td class="memname"><a class="el" href="struct_h5_v_l__object__class__t.html">H5VL_object_class_t</a> object_cls</td>
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<p>Object (H5O*) class callbacks </p>
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<a id="a533cec569e2019874f02dd9552bcb68e" name="a533cec569e2019874f02dd9552bcb68e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a533cec569e2019874f02dd9552bcb68e">&#9670;&#160;</a></span>optional</h2>
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<td class="memname"><a class="el" href="_h5public_8h.html#a3b079ecf932a5c599499cf7e298af160">herr_t</a>(* optional) (void *obj, <a class="el" href="struct_h5_v_l__optional__args__t.html">H5VL_optional_args_t</a> *args, <a class="el" href="_h5_ipublic_8h.html#a0045db7ff9c22ad35db6ae91662e1943">hid_t</a> dxpl_id, void **req)</td>
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<p>Optional callback </p>
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<h2 class="memtitle"><span class="permalink"><a href="#adc5afcdccffe9dc3608ac8e23e8fea17">&#9670;&#160;</a></span>request_cls</h2>
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<td class="memname"><a class="el" href="struct_h5_v_l__request__class__t.html">H5VL_request_class_t</a> request_cls</td>
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<p>Asynchronous request class callbacks </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3da863f4634c64aeffe46cca882db43d">&#9670;&#160;</a></span>terminate</h2>
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<td class="memname"><a class="el" href="_h5public_8h.html#a3b079ecf932a5c599499cf7e298af160">herr_t</a>(* terminate) (void)</td>
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<p>Connector termination callback </p>
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<a id="acd39460513ffed8d7d3eab4ebab54bb2" name="acd39460513ffed8d7d3eab4ebab54bb2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acd39460513ffed8d7d3eab4ebab54bb2">&#9670;&#160;</a></span>token_cls</h2>
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<td class="memname"><a class="el" href="struct_h5_v_l__token__class__t.html">H5VL_token_class_t</a> token_cls</td>
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<p>VOL connector object token class callbacks </p>
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<a id="a4531586e75e64de257cf51b4b7c50d70" name="a4531586e75e64de257cf51b4b7c50d70"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4531586e75e64de257cf51b4b7c50d70">&#9670;&#160;</a></span>value</h2>
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<td class="memname"><a class="el" href="group___h5_v_l_d_e_f.html#ga81b40d59b53c498f8aa9d92d0afdde2c">H5VL_class_value_t</a> value</td>
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<p>Value to identify connector </p>
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<a id="a27fe8e82cf2ce359010cc1d08af2e105" name="a27fe8e82cf2ce359010cc1d08af2e105"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a27fe8e82cf2ce359010cc1d08af2e105">&#9670;&#160;</a></span>version</h2>
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<td class="memname">unsigned version</td>
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<p>VOL connector class struct version number </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a74d541c08c6c71946cc5a1e105ca5e51">&#9670;&#160;</a></span>wrap_cls</h2>
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<td class="memname"><a class="el" href="struct_h5_v_l__wrap__class__t.html">H5VL_wrap_class_t</a> wrap_cls</td>
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<p>VOL object wrap / retrieval callbacks </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>src/<a class="el" href="_h5_v_lconnector_8h.html">H5VLconnector.h</a></li>
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