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 <a name="GArrowReadable"></a><div class="titlepage"></div>
 <div class="refnamediv"><table width="100%"><tr>
 <td valign="top">
 <h2><span class="refentrytitle"><a name="GArrowReadable.top_of_page"></a>GArrowReadable</span></h2>
 <p>GArrowReadable — Input interface</p>
 </td>
 <td class="gallery_image" valign="top" align="right"></td>
 </tr></table></div>
 <div class="refsect1">
 <a name="GArrowReadable.functions"></a><h2>Functions</h2>
 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="functions_proto_type">
 <col class="functions_proto_name">
 </colgroup>
 <tbody>
 <tr>
 <td class="function_type">
 <a class="link" href="buffer-classes.html#GArrowBuffer"><span class="returnvalue">GArrowBuffer</span></a> *
 </td>
 <td class="function_name">
 <a class="link" href="GArrowReadable.html#garrow-readable-read" title="garrow_readable_read ()">garrow_readable_read</a> <span class="c_punctuation">()</span>
 </td>
 </tr>
 <tr>
 <td class="function_type">
 <a href="/usr/share/gtk-doc/html/glib/glib-Byte-Arrays.html#GBytes"><span class="returnvalue">GBytes</span></a> *
 </td>
 <td class="function_name">
 <a class="link" href="GArrowReadable.html#garrow-readable-read-bytes" title="garrow_readable_read_bytes ()">garrow_readable_read_bytes</a> <span class="c_punctuation">()</span>
 </td>
 </tr>
 </tbody>
 </table></div>
 </div>
 <div class="refsect1">
 <a name="GArrowReadable.other"></a><h2>Types and Values</h2>
 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="other_proto_type">
 <col class="other_proto_name">
 </colgroup>
 <tbody>
 <tr>
 <td class="define_keyword">#define</td>
 <td class="function_name"><a class="link" href="GArrowReadable.html#GARROW-TYPE-READABLE:CAPS" title="GARROW_TYPE_READABLE">GARROW_TYPE_READABLE</a></td>
 </tr>
 <tr>
 <td class="datatype_keyword"> </td>
 <td class="function_name"><a class="link" href="GArrowReadable.html#GArrowReadable-struct" title="GArrowReadable">GArrowReadable</a></td>
 </tr>
 <tr>
 <td class="datatype_keyword"> </td>
 <td class="function_name"><a class="link" href="GArrowReadable.html#GArrowReadableInterface" title="GArrowReadableInterface">GArrowReadableInterface</a></td>
 </tr>
 </tbody>
 </table></div>
 </div>
 <div class="refsect1">
 <a name="GArrowReadable.object-hierarchy"></a><h2>Object Hierarchy</h2>
 <pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/GTypeModule.html">GInterface</a>
     <span class="lineart">╰──</span> GArrowReadable
 </pre>
 </div>
 <div class="refsect1">
 <a name="GArrowReadable.prerequisites"></a><h2>Prerequisites</h2>
 <p>
 GArrowReadable requires
  <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>.</p>
 </div>
 <div class="refsect1">
 <a name="GArrowReadable.implementations"></a><h2>Known Implementations</h2>
 <p>
 GArrowReadable is implemented by
  <a class="link" href="input-stream-classes.html#GArrowBufferInputStream">GArrowBufferInputStream</a>,  <a class="link" href="cuda-classes.html#GArrowCUDABufferInputStream">GArrowCUDABufferInputStream</a>,  <a class="link" href="input-stream-classes.html#GArrowCompressedInputStream">GArrowCompressedInputStream</a>,  <a class="link" href="input-stream-classes.html#GArrowFileInputStream">GArrowFileInputStream</a>,  <a class="link" href="input-stream-classes.html#GArrowGIOInputStream">GArrowGIOInputStream</a>,  <a class="link" href="input-stream-classes.html#GArrowInputStream">GArrowInputStream</a>,  <a class="link" href="input-stream-classes.html#GArrowMemoryMappedInputStream">GArrowMemoryMappedInputStream</a> and  <a class="link" href="input-stream-classes.html#GArrowSeekableInputStream">GArrowSeekableInputStream</a>.</p>
 </div>
 <div class="refsect1">
 <a name="GArrowReadable.description"></a><h2>Description</h2>
 <p><a class="link" href="GArrowReadable.html" title="GArrowReadable"><span class="type">GArrowReadable</span></a> is an interface for input. Input must be
 readable.</p>
 </div>
 <div class="refsect1">
 <a name="GArrowReadable.functions_details"></a><h2>Functions</h2>
 <div class="refsect2">
 <a name="garrow-readable-read"></a><h3>garrow_readable_read ()</h3>
 <pre class="programlisting"><a class="link" href="buffer-classes.html#GArrowBuffer"><span class="returnvalue">GArrowBuffer</span></a> *
 garrow_readable_read (<em class="parameter"><code><a class="link" href="GArrowReadable.html" title="GArrowReadable"><span class="type">GArrowReadable</span></a> *readable</code></em>,
                       <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> n_bytes</code></em>,
                       <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
 <div class="refsect3">
 <a name="garrow-readable-read.parameters"></a><h4>Parameters</h4>
 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="parameters_name">
 <col class="parameters_description">
 <col width="200px" class="parameters_annotations">
 </colgroup>
 <tbody>
 <tr>
 <td class="parameter_name"><p>readable</p></td>
 <td class="parameter_description"><p>A <a class="link" href="GArrowReadable.html" title="GArrowReadable"><span class="type">GArrowReadable</span></a>.</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
 <td class="parameter_name"><p>n_bytes</p></td>
 <td class="parameter_description"><p>The number of bytes to be read.</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
 <td class="parameter_name"><p>error</p></td>
 <td class="parameter_description"><p>Return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
 <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
 </tr>
 </tbody>
 </table></div>
 </div>
 <div class="refsect3">
 <a name="garrow-readable-read.returns"></a><h4>Returns</h4>
 <p><a class="link" href="buffer-classes.html#GArrowBuffer"><span class="type">GArrowBuffer</span></a> that has read
 data on success, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there was an error. </p>
 <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
 </div>
 </div>
 <hr>
 <div class="refsect2">
 <a name="garrow-readable-read-bytes"></a><h3>garrow_readable_read_bytes ()</h3>
 <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Byte-Arrays.html#GBytes"><span class="returnvalue">GBytes</span></a> *
 garrow_readable_read_bytes (<em class="parameter"><code><a class="link" href="GArrowReadable.html" title="GArrowReadable"><span class="type">GArrowReadable</span></a> *readable</code></em>,
                             <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> n_bytes</code></em>,
                             <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
 <div class="refsect3">
 <a name="garrow-readable-read-bytes.parameters"></a><h4>Parameters</h4>
 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="parameters_name">
 <col class="parameters_description">
 <col width="200px" class="parameters_annotations">
 </colgroup>
 <tbody>
 <tr>
 <td class="parameter_name"><p>readable</p></td>
 <td class="parameter_description"><p>A <a class="link" href="GArrowReadable.html" title="GArrowReadable"><span class="type">GArrowReadable</span></a>.</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
 <td class="parameter_name"><p>n_bytes</p></td>
 <td class="parameter_description"><p>The number of bytes to be read.</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
 <td class="parameter_name"><p>error</p></td>
 <td class="parameter_description"><p>Return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
 <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
 </tr>
 </tbody>
 </table></div>
 </div>
 <div class="refsect3">
 <a name="garrow-readable-read-bytes.returns"></a><h4>Returns</h4>
 <p><a href="/usr/share/gtk-doc/html/glib/glib-Byte-Arrays.html#GBytes"><span class="type">GBytes</span></a> that has read data on
 success, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there was an error. </p>
 <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
 </div>
 <p class="since">Since: <a class="link" href="api-index-0-17-0.html#api-index-0.17.0">0.17.0</a></p>
 </div>
 </div>
 <div class="refsect1">
 <a name="GArrowReadable.other_details"></a><h2>Types and Values</h2>
 <div class="refsect2">
 <a name="GARROW-TYPE-READABLE:CAPS"></a><h3>GARROW_TYPE_READABLE</h3>
 <pre class="programlisting">#define GARROW_TYPE_READABLE (garrow_readable_get_type())
 </pre>
 </div>
 <hr>
 <div class="refsect2">
 <a name="GArrowReadable-struct"></a><h3>GArrowReadable</h3>
 <pre class="programlisting">typedef struct _GArrowReadable GArrowReadable;</pre>
 </div>
 <hr>
 <div class="refsect2">
 <a name="GArrowReadableInterface"></a><h3>GArrowReadableInterface</h3>
 <pre class="programlisting">typedef struct _GArrowReadableInterface GArrowReadableInterface;</pre>
 </div>
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	<h2><span class="refentrytitle"><a name="GArrowReadable.top_of_page"></a>GArrowReadable</span></h2>
	<p>GArrowReadable — Input interface</p>
	</td>
	<td class="gallery_image" valign="top" align="right"></td>
	</tr></table></div>
	<div class="refsect1">
	<a name="GArrowReadable.functions"></a><h2>Functions</h2>
	<div class="informaltable"><table class="informaltable" width="100%" border="0">
	<colgroup>
	<col width="150px" class="functions_proto_type">
	<col class="functions_proto_name">
	</colgroup>
	<tbody>
	<tr>
	<td class="function_type">
	<a class="link" href="buffer-classes.html#GArrowBuffer"><span class="returnvalue">GArrowBuffer</span></a> *
	</td>
	<td class="function_name">
	<a class="link" href="GArrowReadable.html#garrow-readable-read" title="garrow_readable_read ()">garrow_readable_read</a> <span class="c_punctuation">()</span>
	</td>
	</tr>
	<tr>
	<td class="function_type">
	<a href="/usr/share/gtk-doc/html/glib/glib-Byte-Arrays.html#GBytes"><span class="returnvalue">GBytes</span></a> *
	</td>
	<td class="function_name">
	<a class="link" href="GArrowReadable.html#garrow-readable-read-bytes" title="garrow_readable_read_bytes ()">garrow_readable_read_bytes</a> <span class="c_punctuation">()</span>
	</td>
	</tr>
	</tbody>
	</table></div>
	</div>
	<div class="refsect1">
	<a name="GArrowReadable.other"></a><h2>Types and Values</h2>
	<div class="informaltable"><table class="informaltable" width="100%" border="0">
	<colgroup>
	<col width="150px" class="other_proto_type">
	<col class="other_proto_name">
	</colgroup>
	<tbody>
	<tr>
	<td class="define_keyword">#define</td>
	<td class="function_name"><a class="link" href="GArrowReadable.html#GARROW-TYPE-READABLE:CAPS" title="GARROW_TYPE_READABLE">GARROW_TYPE_READABLE</a></td>
	</tr>
	<tr>
	<td class="datatype_keyword"> </td>
	<td class="function_name"><a class="link" href="GArrowReadable.html#GArrowReadable-struct" title="GArrowReadable">GArrowReadable</a></td>
	</tr>
	<tr>
	<td class="datatype_keyword"> </td>
	<td class="function_name"><a class="link" href="GArrowReadable.html#GArrowReadableInterface" title="GArrowReadableInterface">GArrowReadableInterface</a></td>
	</tr>
	</tbody>
	</table></div>
	</div>
	<div class="refsect1">
	<a name="GArrowReadable.object-hierarchy"></a><h2>Object Hierarchy</h2>
	<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/GTypeModule.html">GInterface</a>
	<span class="lineart">╰──</span> GArrowReadable
	</pre>
	</div>
	<div class="refsect1">
	<a name="GArrowReadable.prerequisites"></a><h2>Prerequisites</h2>
	<p>
	GArrowReadable requires
	<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>.</p>
	</div>
	<div class="refsect1">
	<a name="GArrowReadable.implementations"></a><h2>Known Implementations</h2>
	<p>
	GArrowReadable is implemented by
	<a class="link" href="input-stream-classes.html#GArrowBufferInputStream">GArrowBufferInputStream</a>, <a class="link" href="cuda-classes.html#GArrowCUDABufferInputStream">GArrowCUDABufferInputStream</a>, <a class="link" href="input-stream-classes.html#GArrowCompressedInputStream">GArrowCompressedInputStream</a>, <a class="link" href="input-stream-classes.html#GArrowFileInputStream">GArrowFileInputStream</a>, <a class="link" href="input-stream-classes.html#GArrowGIOInputStream">GArrowGIOInputStream</a>, <a class="link" href="input-stream-classes.html#GArrowInputStream">GArrowInputStream</a>, <a class="link" href="input-stream-classes.html#GArrowMemoryMappedInputStream">GArrowMemoryMappedInputStream</a> and <a class="link" href="input-stream-classes.html#GArrowSeekableInputStream">GArrowSeekableInputStream</a>.</p>
	</div>
	<div class="refsect1">
	<a name="GArrowReadable.description"></a><h2>Description</h2>
	<p><a class="link" href="GArrowReadable.html" title="GArrowReadable"><span class="type">GArrowReadable</span></a> is an interface for input. Input must be
	readable.</p>
	</div>
	<div class="refsect1">
	<a name="GArrowReadable.functions_details"></a><h2>Functions</h2>
	<div class="refsect2">
	<a name="garrow-readable-read"></a><h3>garrow_readable_read ()</h3>
	<pre class="programlisting"><a class="link" href="buffer-classes.html#GArrowBuffer"><span class="returnvalue">GArrowBuffer</span></a> *
	garrow_readable_read (<em class="parameter"><code><a class="link" href="GArrowReadable.html" title="GArrowReadable"><span class="type">GArrowReadable</span></a> *readable</code></em>,
	<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> n_bytes</code></em>,
	<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
	<div class="refsect3">
	<a name="garrow-readable-read.parameters"></a><h4>Parameters</h4>
	<div class="informaltable"><table class="informaltable" width="100%" border="0">
	<colgroup>
	<col width="150px" class="parameters_name">
	<col class="parameters_description">
	<col width="200px" class="parameters_annotations">
	</colgroup>
	<tbody>
	<tr>
	<td class="parameter_name"><p>readable</p></td>
	<td class="parameter_description"><p>A <a class="link" href="GArrowReadable.html" title="GArrowReadable"><span class="type">GArrowReadable</span></a>.</p></td>
	<td class="parameter_annotations"> </td>
	</tr>
	<tr>
	<td class="parameter_name"><p>n_bytes</p></td>
	<td class="parameter_description"><p>The number of bytes to be read.</p></td>
	<td class="parameter_annotations"> </td>
	</tr>
	<tr>
	<td class="parameter_name"><p>error</p></td>
	<td class="parameter_description"><p>Return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
	<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
	</tr>
	</tbody>
	</table></div>
	</div>
	<div class="refsect3">
	<a name="garrow-readable-read.returns"></a><h4>Returns</h4>
	<p><a class="link" href="buffer-classes.html#GArrowBuffer"><span class="type">GArrowBuffer</span></a> that has read
	data on success, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there was an error. </p>
	<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
	</div>
	</div>
	<hr>
	<div class="refsect2">
	<a name="garrow-readable-read-bytes"></a><h3>garrow_readable_read_bytes ()</h3>
	<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Byte-Arrays.html#GBytes"><span class="returnvalue">GBytes</span></a> *
	garrow_readable_read_bytes (<em class="parameter"><code><a class="link" href="GArrowReadable.html" title="GArrowReadable"><span class="type">GArrowReadable</span></a> *readable</code></em>,
	<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> n_bytes</code></em>,
	<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
	<div class="refsect3">
	<a name="garrow-readable-read-bytes.parameters"></a><h4>Parameters</h4>
	<div class="informaltable"><table class="informaltable" width="100%" border="0">
	<colgroup>
	<col width="150px" class="parameters_name">
	<col class="parameters_description">
	<col width="200px" class="parameters_annotations">
	</colgroup>
	<tbody>
	<tr>
	<td class="parameter_name"><p>readable</p></td>
	<td class="parameter_description"><p>A <a class="link" href="GArrowReadable.html" title="GArrowReadable"><span class="type">GArrowReadable</span></a>.</p></td>
	<td class="parameter_annotations"> </td>
	</tr>
	<tr>
	<td class="parameter_name"><p>n_bytes</p></td>
	<td class="parameter_description"><p>The number of bytes to be read.</p></td>
	<td class="parameter_annotations"> </td>
	</tr>
	<tr>
	<td class="parameter_name"><p>error</p></td>
	<td class="parameter_description"><p>Return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
	<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
	</tr>
	</tbody>
	</table></div>
	</div>
	<div class="refsect3">
	<a name="garrow-readable-read-bytes.returns"></a><h4>Returns</h4>
	<p><a href="/usr/share/gtk-doc/html/glib/glib-Byte-Arrays.html#GBytes"><span class="type">GBytes</span></a> that has read data on
	success, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there was an error. </p>
	<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
	</div>
	<p class="since">Since: <a class="link" href="api-index-0-17-0.html#api-index-0.17.0">0.17.0</a></p>
	</div>
	</div>
	<div class="refsect1">
	<a name="GArrowReadable.other_details"></a><h2>Types and Values</h2>
	<div class="refsect2">
	<a name="GARROW-TYPE-READABLE:CAPS"></a><h3>GARROW_TYPE_READABLE</h3>
	<pre class="programlisting">#define GARROW_TYPE_READABLE (garrow_readable_get_type())
	</pre>
	</div>
	<hr>
	<div class="refsect2">
	<a name="GArrowReadable-struct"></a><h3>GArrowReadable</h3>
	<pre class="programlisting">typedef struct _GArrowReadable GArrowReadable;</pre>
	</div>
	<hr>
	<div class="refsect2">
	<a name="GArrowReadableInterface"></a><h3>GArrowReadableInterface</h3>
	<pre class="programlisting">typedef struct _GArrowReadableInterface GArrowReadableInterface;</pre>
	</div>
	</div>
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