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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcodes__handle.html">codes_handle</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcodes__multi__handle.html">codes_multi_handle</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga4c2203d55c2c3ca792e44e4eb26edfb5"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga4c2203d55c2c3ca792e44e4eb26edfb5">codes_count_in_file</a> (<a class="el" href="structcodes__context.html">codes_context</a> *c, FILE *f, int *n)</td></tr>
<tr class="memdesc:ga4c2203d55c2c3ca792e44e4eb26edfb5"><td class="mdescLeft"> </td><td class="mdescRight">Counts the messages contained in a file resource. <a href="#ga4c2203d55c2c3ca792e44e4eb26edfb5">More...</a><br/></td></tr>
<tr class="separator:ga4c2203d55c2c3ca792e44e4eb26edfb5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6ec42bd6272b4a0f2cb2b220b86c71c8"><td class="memItemLeft" align="right" valign="top">grib_handle * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga6ec42bd6272b4a0f2cb2b220b86c71c8">codes_handle_new_from_file</a> (grib_context *c, FILE *f, ProductKind product, int *error)</td></tr>
<tr class="memdesc:ga6ec42bd6272b4a0f2cb2b220b86c71c8"><td class="mdescLeft"> </td><td class="mdescRight">Create a handle from a file resource. <a href="#ga6ec42bd6272b4a0f2cb2b220b86c71c8">More...</a><br/></td></tr>
<tr class="separator:ga6ec42bd6272b4a0f2cb2b220b86c71c8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga36de77229cc3b386d26c1e7b52c21e0e"><td class="memItemLeft" align="right" valign="top">grib_handle * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga36de77229cc3b386d26c1e7b52c21e0e">codes_grib_handle_new_from_file</a> (grib_context *c, FILE *f, int *error)</td></tr>
<tr class="memdesc:ga36de77229cc3b386d26c1e7b52c21e0e"><td class="mdescLeft"> </td><td class="mdescRight">Create a GRIB handle from a file resource. <a href="#ga36de77229cc3b386d26c1e7b52c21e0e">More...</a><br/></td></tr>
<tr class="separator:ga36de77229cc3b386d26c1e7b52c21e0e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6958c3cd7e4059af5c26898a872262ff"><td class="memItemLeft" align="right" valign="top">grib_handle * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga6958c3cd7e4059af5c26898a872262ff">codes_bufr_handle_new_from_file</a> (grib_context *c, FILE *f, int *error)</td></tr>
<tr class="memdesc:ga6958c3cd7e4059af5c26898a872262ff"><td class="mdescLeft"> </td><td class="mdescRight">Create a BUFR handle from a file resource. <a href="#ga6958c3cd7e4059af5c26898a872262ff">More...</a><br/></td></tr>
<tr class="separator:ga6958c3cd7e4059af5c26898a872262ff"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac82dbaba240ebf6e76cdbcf2007a6bee"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#gac82dbaba240ebf6e76cdbcf2007a6bee">codes_write_message</a> (<a class="el" href="structcodes__handle.html">codes_handle</a> *h, const char *file, const char *mode)</td></tr>
<tr class="memdesc:gac82dbaba240ebf6e76cdbcf2007a6bee"><td class="mdescLeft"> </td><td class="mdescRight">Write a coded message to a file. <a href="#gac82dbaba240ebf6e76cdbcf2007a6bee">More...</a><br/></td></tr>
<tr class="separator:gac82dbaba240ebf6e76cdbcf2007a6bee"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga095447ed85ff2142dbda2867ee3b4c8d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structcodes__handle.html">codes_handle</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga095447ed85ff2142dbda2867ee3b4c8d">codes_handle_new_from_message</a> (<a class="el" href="structcodes__context.html">codes_context</a> *c, const void *data, size_t data_len)</td></tr>
<tr class="memdesc:ga095447ed85ff2142dbda2867ee3b4c8d"><td class="mdescLeft"> </td><td class="mdescRight">Create a handle from a user message in memory. <a href="#ga095447ed85ff2142dbda2867ee3b4c8d">More...</a><br/></td></tr>
<tr class="separator:ga095447ed85ff2142dbda2867ee3b4c8d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga385864d5f06e1de0e8ee13388ca4117c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structcodes__handle.html">codes_handle</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga385864d5f06e1de0e8ee13388ca4117c">codes_grib_handle_new_from_multi_message</a> (<a class="el" href="structcodes__context.html">codes_context</a> *c, void **data, size_t *data_len, int *error)</td></tr>
<tr class="memdesc:ga385864d5f06e1de0e8ee13388ca4117c"><td class="mdescLeft"> </td><td class="mdescRight">Create a handle from a user message in memory. <a href="#ga385864d5f06e1de0e8ee13388ca4117c">More...</a><br/></td></tr>
<tr class="separator:ga385864d5f06e1de0e8ee13388ca4117c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga079df0c709e381812ae13af08c354032"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structcodes__handle.html">codes_handle</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga079df0c709e381812ae13af08c354032">codes_handle_new_from_message_copy</a> (<a class="el" href="structcodes__context.html">codes_context</a> *c, const void *data, size_t data_len)</td></tr>
<tr class="memdesc:ga079df0c709e381812ae13af08c354032"><td class="mdescLeft"> </td><td class="mdescRight">Create a handle from a user message. <a href="#ga079df0c709e381812ae13af08c354032">More...</a><br/></td></tr>
<tr class="separator:ga079df0c709e381812ae13af08c354032"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga3b281a237e311c6b8fa4bd7096d7e025"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structcodes__handle.html">codes_handle</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga3b281a237e311c6b8fa4bd7096d7e025">codes_grib_handle_new_from_samples</a> (<a class="el" href="structcodes__context.html">codes_context</a> *c, const char *sample_name)</td></tr>
<tr class="memdesc:ga3b281a237e311c6b8fa4bd7096d7e025"><td class="mdescLeft"> </td><td class="mdescRight">Create a handle from a GRIB message contained in a samples directory. <a href="#ga3b281a237e311c6b8fa4bd7096d7e025">More...</a><br/></td></tr>
<tr class="separator:ga3b281a237e311c6b8fa4bd7096d7e025"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga56d0f831e520ec7bc4a0ca334c63f557"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structcodes__handle.html">codes_handle</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga56d0f831e520ec7bc4a0ca334c63f557">codes_bufr_handle_new_from_samples</a> (<a class="el" href="structcodes__context.html">codes_context</a> *c, const char *sample_name)</td></tr>
<tr class="memdesc:ga56d0f831e520ec7bc4a0ca334c63f557"><td class="mdescLeft"> </td><td class="mdescRight">Create a handle from a BUFR message contained in a samples directory. <a href="#ga56d0f831e520ec7bc4a0ca334c63f557">More...</a><br/></td></tr>
<tr class="separator:ga56d0f831e520ec7bc4a0ca334c63f557"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga7b226527aa98d90f2bdb470105732878"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structcodes__handle.html">codes_handle</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga7b226527aa98d90f2bdb470105732878">codes_handle_clone</a> (<a class="el" href="structcodes__handle.html">codes_handle</a> *h)</td></tr>
<tr class="memdesc:ga7b226527aa98d90f2bdb470105732878"><td class="mdescLeft"> </td><td class="mdescRight">Clone an existing handle using the context of the original handle, The message is copied and reparsed. <a href="#ga7b226527aa98d90f2bdb470105732878">More...</a><br/></td></tr>
<tr class="separator:ga7b226527aa98d90f2bdb470105732878"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga358ea000ceed775e7367ccab581be978"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga358ea000ceed775e7367ccab581be978">codes_handle_delete</a> (<a class="el" href="structcodes__handle.html">codes_handle</a> *h)</td></tr>
<tr class="memdesc:ga358ea000ceed775e7367ccab581be978"><td class="mdescLeft"> </td><td class="mdescRight">Frees a handle, also frees the message if it is not a user message. <a href="#ga358ea000ceed775e7367ccab581be978">More...</a><br/></td></tr>
<tr class="separator:ga358ea000ceed775e7367ccab581be978"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga5ff59672d9eab49c0285c8f60e379d88"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structcodes__multi__handle.html">codes_multi_handle</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga5ff59672d9eab49c0285c8f60e379d88">codes_grib_multi_handle_new</a> (<a class="el" href="structcodes__context.html">codes_context</a> *c)</td></tr>
<tr class="memdesc:ga5ff59672d9eab49c0285c8f60e379d88"><td class="mdescLeft"> </td><td class="mdescRight">Create an empty multi-field GRIB handle. <a href="#ga5ff59672d9eab49c0285c8f60e379d88">More...</a><br/></td></tr>
<tr class="separator:ga5ff59672d9eab49c0285c8f60e379d88"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga068715aab8b82a5d3092064b6bc27f3d"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga068715aab8b82a5d3092064b6bc27f3d">codes_grib_multi_handle_append</a> (<a class="el" href="structcodes__handle.html">codes_handle</a> *h, int start_section, <a class="el" href="structcodes__multi__handle.html">codes_multi_handle</a> *mh)</td></tr>
<tr class="memdesc:ga068715aab8b82a5d3092064b6bc27f3d"><td class="mdescLeft"> </td><td class="mdescRight">Append the sections starting with start_section of the message pointed by h at the end of the multi-field GRIB handle mh. <a href="#ga068715aab8b82a5d3092064b6bc27f3d">More...</a><br/></td></tr>
<tr class="separator:ga068715aab8b82a5d3092064b6bc27f3d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga85a955bdd3012ce499e50768e298b849"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#ga85a955bdd3012ce499e50768e298b849">codes_grib_multi_handle_delete</a> (<a class="el" href="structcodes__multi__handle.html">codes_multi_handle</a> *mh)</td></tr>
<tr class="memdesc:ga85a955bdd3012ce499e50768e298b849"><td class="mdescLeft"> </td><td class="mdescRight">Delete multi-field GRIB handle. <a href="#ga85a955bdd3012ce499e50768e298b849">More...</a><br/></td></tr>
<tr class="separator:ga85a955bdd3012ce499e50768e298b849"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac06089d897eea71d8944cc622a45737f"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__codes__handle.html#gac06089d897eea71d8944cc622a45737f">codes_grib_multi_handle_write</a> (<a class="el" href="structcodes__multi__handle.html">codes_multi_handle</a> *mh, FILE *f)</td></tr>
<tr class="memdesc:gac06089d897eea71d8944cc622a45737f"><td class="mdescLeft"> </td><td class="mdescRight">Write a multi-field GRIB handle in a file. <a href="#gac06089d897eea71d8944cc622a45737f">More...</a><br/></td></tr>
<tr class="separator:gac06089d897eea71d8944cc622a45737f"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>The <a class="el" href="structcodes__handle.html">codes_handle</a> is the structure giving access to parsed message values by keys. </p>
<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">grib_handle* codes_bufr_handle_new_from_file </td>
<td>(</td>
<td class="paramtype">grib_context * </td>
<td class="paramname"><em>c</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">FILE * </td>
<td class="paramname"><em>f</em>, </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>error</em> </td>
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<p>Create a BUFR handle from a file resource. </p>
<p>The file is read until a BUFR message is found. The message is then copied. Remember always to delete the handle when it is not needed anymore to avoid memory leaks.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>: the context from which the handle will be created (NULL for default context) </td></tr>
<tr><td class="paramname">f</td><td>: the file resource </td></tr>
<tr><td class="paramname">error</td><td>: error code set if the returned handle is NULL and the end of file is not reached </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the new handle, NULL if the resource is invalid or a problem is encountered </dd></dl>
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<td class="memname"><a class="el" href="structcodes__handle.html">codes_handle</a>* codes_bufr_handle_new_from_samples </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__context.html">codes_context</a> * </td>
<td class="paramname"><em>c</em>, </td>
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<td class="paramtype">const char * </td>
<td class="paramname"><em>sample_name</em> </td>
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<p>Create a handle from a BUFR message contained in a samples directory. </p>
<p>The message is copied at the creation of the handle</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>: the context from which the handle will be created (NULL for default context) </td></tr>
<tr><td class="paramname">sample_name</td><td>: the name of the sample file (without the .tmpl extension) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the new handle, NULL if the resource is invalid or a problem is encountered </dd></dl>
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<td class="memname">int codes_count_in_file </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__context.html">codes_context</a> * </td>
<td class="paramname"><em>c</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">FILE * </td>
<td class="paramname"><em>f</em>, </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>n</em> </td>
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<p>Counts the messages contained in a file resource. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>: the context from which the handle will be created (NULL for default context) </td></tr>
<tr><td class="paramname">f</td><td>: the file resource </td></tr>
<tr><td class="paramname">n</td><td>: the number of messages in the file </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if OK, integer value on error </dd></dl>
</div>
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<td class="memname">grib_handle* codes_grib_handle_new_from_file </td>
<td>(</td>
<td class="paramtype">grib_context * </td>
<td class="paramname"><em>c</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">FILE * </td>
<td class="paramname"><em>f</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"><em>error</em> </td>
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<p>Create a GRIB handle from a file resource. </p>
<p>The file is read until a GRIB message is found. The message is then copied. Remember always to delete the handle when it is not needed anymore to avoid memory leaks.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>: the context from which the handle will be created (NULL for default context) </td></tr>
<tr><td class="paramname">f</td><td>: the file resource </td></tr>
<tr><td class="paramname">error</td><td>: error code set if the returned handle is NULL and the end of file is not reached </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the new handle, NULL if the resource is invalid or a problem is encountered </dd></dl>
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<td class="memname"><a class="el" href="structcodes__handle.html">codes_handle</a>* codes_grib_handle_new_from_multi_message </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__context.html">codes_context</a> * </td>
<td class="paramname"><em>c</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void ** </td>
<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t * </td>
<td class="paramname"><em>data_len</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>error</em> </td>
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<p>Create a handle from a user message in memory. </p>
<p>The message will not be freed at the end. The message will be copied as soon as a modification is needed. This function works also with multi field messages.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>: the context from which the handle will be created (NULL for default context) </td></tr>
<tr><td class="paramname">data</td><td>: the actual message </td></tr>
<tr><td class="paramname">data_len</td><td>: the length of the message in number of bytes </td></tr>
<tr><td class="paramname">error</td><td>: error code </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the new handle, NULL if the message is invalid or a problem is encountered </dd></dl>
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<td class="memname"><a class="el" href="structcodes__handle.html">codes_handle</a>* codes_grib_handle_new_from_samples </td>
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<td class="paramtype"><a class="el" href="structcodes__context.html">codes_context</a> * </td>
<td class="paramname"><em>c</em>, </td>
</tr>
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<td class="paramtype">const char * </td>
<td class="paramname"><em>sample_name</em> </td>
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<p>Create a handle from a GRIB message contained in a samples directory. </p>
<p>The message is copied at the creation of the handle</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>: the context from which the handle will be created (NULL for default context) </td></tr>
<tr><td class="paramname">sample_name</td><td>: the name of the sample file (without the .tmpl extension) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the new handle, NULL if the resource is invalid or a problem is encountered </dd></dl>
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<td class="memname">int codes_grib_multi_handle_append </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__handle.html">codes_handle</a> * </td>
<td class="paramname"><em>h</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>start_section</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structcodes__multi__handle.html">codes_multi_handle</a> * </td>
<td class="paramname"><em>mh</em> </td>
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<p>Append the sections starting with start_section of the message pointed by h at the end of the multi-field GRIB handle mh. </p>
<p>Remember always to delete the multi-handle when it is not needed any more to avoid memory leaks.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">h</td><td>: The handle from which the sections are copied. </td></tr>
<tr><td class="paramname">start_section</td><td>: section number. Starting from this section all the sections to the end of the message will be copied. </td></tr>
<tr><td class="paramname">mh</td><td>: The multi-field handle on which the sections are appended. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if OK, integer value on error </dd></dl>
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<td class="memname">int codes_grib_multi_handle_delete </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__multi__handle.html">codes_multi_handle</a> * </td>
<td class="paramname"><em>mh</em></td><td>)</td>
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<p>Delete multi-field GRIB handle. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mh</td><td>: The multi-field handle to be deleted. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if OK, integer value on error </dd></dl>
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<td class="memname"><a class="el" href="structcodes__multi__handle.html">codes_multi_handle</a>* codes_grib_multi_handle_new </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__context.html">codes_context</a> * </td>
<td class="paramname"><em>c</em></td><td>)</td>
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<p>Create an empty multi-field GRIB handle. </p>
<p>Remember always to delete the multi-handle when it is not needed any more to avoid memory leaks.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>: the context from which the handle will be created (NULL for default context) </td></tr>
</table>
</dd>
</dl>
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<td class="memname">int codes_grib_multi_handle_write </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__multi__handle.html">codes_multi_handle</a> * </td>
<td class="paramname"><em>mh</em>, </td>
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<td class="paramtype">FILE * </td>
<td class="paramname"><em>f</em> </td>
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<p>Write a multi-field GRIB handle in a file. </p>
<p>Remember always to delete the multi-handle when it is not needed any more to avoid memory leaks.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mh</td><td>: The multi-field GRIB handle to be written. </td></tr>
<tr><td class="paramname">f</td><td>: File on which the file handle is written. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if OK, integer value on error </dd></dl>
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<td class="memname"><a class="el" href="structcodes__handle.html">codes_handle</a>* codes_handle_clone </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__handle.html">codes_handle</a> * </td>
<td class="paramname"><em>h</em></td><td>)</td>
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<p>Clone an existing handle using the context of the original handle, The message is copied and reparsed. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">h</td><td>: The handle to be cloned </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the new handle, NULL if the message is invalid or a problem is encountered </dd></dl>
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<td class="memname">int codes_handle_delete </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__handle.html">codes_handle</a> * </td>
<td class="paramname"><em>h</em></td><td>)</td>
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<p>Frees a handle, also frees the message if it is not a user message. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__codes__handle.html#ga095447ed85ff2142dbda2867ee3b4c8d" title="Create a handle from a user message in memory. ">codes_handle_new_from_message</a> </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">h</td><td>: The handle to be deleted </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if OK, integer value on error </dd></dl>
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<td class="memname">grib_handle* codes_handle_new_from_file </td>
<td>(</td>
<td class="paramtype">grib_context * </td>
<td class="paramname"><em>c</em>, </td>
</tr>
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<td class="paramkey"></td>
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<td class="paramtype">FILE * </td>
<td class="paramname"><em>f</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">ProductKind </td>
<td class="paramname"><em>product</em>, </td>
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<td></td>
<td class="paramtype">int * </td>
<td class="paramname"><em>error</em> </td>
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<td></td><td></td>
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<p>Create a handle from a file resource. </p>
<p>The file is read until a message is found. The message is then copied. Remember always to delete the handle when it is not needed anymore to avoid memory leaks.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>: the context from which the handle will be created (NULL for default context) </td></tr>
<tr><td class="paramname">f</td><td>: the file resource </td></tr>
<tr><td class="paramname">product</td><td>: the kind of product e.g. PRODUCT_GRIB, PRODUCT_BUFR </td></tr>
<tr><td class="paramname">error</td><td>: error code set if the returned handle is NULL and the end of file is not reached </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the new handle, NULL if the resource is invalid or a problem is encountered </dd></dl>
</div>
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<td class="memname"><a class="el" href="structcodes__handle.html">codes_handle</a>* codes_handle_new_from_message </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__context.html">codes_context</a> * </td>
<td class="paramname"><em>c</em>, </td>
</tr>
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<td></td>
<td class="paramtype">const void * </td>
<td class="paramname"><em>data</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>data_len</em> </td>
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<p>Create a handle from a user message in memory. </p>
<p>The message will not be freed at the end. The message will be copied as soon as a modification is needed.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>: the context from which the handle will be created (NULL for default context) </td></tr>
<tr><td class="paramname">data</td><td>: the actual message </td></tr>
<tr><td class="paramname">data_len</td><td>: the length of the message in number of bytes </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the new handle, NULL if the message is invalid or a problem is encountered </dd></dl>
</div>
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<td class="memname"><a class="el" href="structcodes__handle.html">codes_handle</a>* codes_handle_new_from_message_copy </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__context.html">codes_context</a> * </td>
<td class="paramname"><em>c</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const void * </td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>data_len</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Create a handle from a user message. </p>
<p>The message is copied and will be freed with the handle</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>: the context from which the handle will be created (NULL for default context) </td></tr>
<tr><td class="paramname">data</td><td>: the actual message </td></tr>
<tr><td class="paramname">data_len</td><td>: the length of the message in number of bytes </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the new handle, NULL if the message is invalid or a problem is encountered </dd></dl>
</div>
</div>
<a class="anchor" id="gac82dbaba240ebf6e76cdbcf2007a6bee"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int codes_write_message </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcodes__handle.html">codes_handle</a> * </td>
<td class="paramname"><em>h</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>file</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>mode</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Write a coded message to a file. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">h</td><td>: <a class="el" href="structcodes__handle.html">codes_handle</a> to be written </td></tr>
<tr><td class="paramname">file</td><td>: name of the output file </td></tr>
<tr><td class="paramname">mode</td><td>: mode </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if OK, integer value on error </dd></dl>
</div>
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