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<div class="section" id="tuple-objects">
<span id="tupleobjects"></span><h1>Tuple Objects<a class="headerlink" href="#tuple-objects" title="Permalink to this headline">¶</a></h1>
<span class="target" id="index-0"></span><dl class="type">
<dt id="c.PyTupleObject">
<code class="sig-name descname">PyTupleObject</code><a class="headerlink" href="#c.PyTupleObject" title="Permalink to this definition">¶</a></dt>
<dd><p>This subtype of <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyObject</span></code></a> represents a Python tuple object.</p>
</dd></dl>
<dl class="var">
<dt id="c.PyTuple_Type">
<a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a> <code class="sig-name descname">PyTuple_Type</code><a class="headerlink" href="#c.PyTuple_Type" title="Permalink to this definition">¶</a></dt>
<dd><p>This instance of <a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyTypeObject</span></code></a> represents the Python tuple type; it
is the same object as <a class="reference internal" href="../library/stdtypes.html#tuple" title="tuple"><code class="xref py py-class docutils literal notranslate"><span class="pre">tuple</span></code></a> in the Python layer.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_Check">
int <code class="sig-name descname">PyTuple_Check</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_Check" title="Permalink to this definition">¶</a></dt>
<dd><p>Return true if <em>p</em> is a tuple object or an instance of a subtype of the tuple
type.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_CheckExact">
int <code class="sig-name descname">PyTuple_CheckExact</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_CheckExact" title="Permalink to this definition">¶</a></dt>
<dd><p>Return true if <em>p</em> is a tuple object, but not an instance of a subtype of the
tuple type.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_New">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name descname">PyTuple_New</code><span class="sig-paren">(</span>Py_ssize_t<em> len</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_New" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return a new tuple object of size <em>len</em>, or <code class="docutils literal notranslate"><span class="pre">NULL</span></code> on failure.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_Pack">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name descname">PyTuple_Pack</code><span class="sig-paren">(</span>Py_ssize_t<em> n</em>, ...<span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_Pack" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return a new tuple object of size <em>n</em>, or <code class="docutils literal notranslate"><span class="pre">NULL</span></code> on failure. The tuple values
are initialized to the subsequent <em>n</em> C arguments pointing to Python objects.
<code class="docutils literal notranslate"><span class="pre">PyTuple_Pack(2,</span> <span class="pre">a,</span> <span class="pre">b)</span></code> is equivalent to <code class="docutils literal notranslate"><span class="pre">Py_BuildValue("(OO)",</span> <span class="pre">a,</span> <span class="pre">b)</span></code>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_Size">
Py_ssize_t <code class="sig-name descname">PyTuple_Size</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_Size" title="Permalink to this definition">¶</a></dt>
<dd><p>Take a pointer to a tuple object, and return the size of that tuple.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_GET_SIZE">
Py_ssize_t <code class="sig-name descname">PyTuple_GET_SIZE</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_GET_SIZE" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the size of the tuple <em>p</em>, which must be non-<code class="docutils literal notranslate"><span class="pre">NULL</span></code> and point to a tuple;
no error checking is performed.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_GetItem">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name descname">PyTuple_GetItem</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em>, Py_ssize_t<em> pos</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_GetItem" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p>Return the object at position <em>pos</em> in the tuple pointed to by <em>p</em>. If <em>pos</em> is
out of bounds, return <code class="docutils literal notranslate"><span class="pre">NULL</span></code> and set an <a class="reference internal" href="../library/exceptions.html#IndexError" title="IndexError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">IndexError</span></code></a> exception.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_GET_ITEM">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name descname">PyTuple_GET_ITEM</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em>, Py_ssize_t<em> pos</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_GET_ITEM" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p>Like <a class="reference internal" href="#c.PyTuple_GetItem" title="PyTuple_GetItem"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyTuple_GetItem()</span></code></a>, but does no checking of its arguments.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_GetSlice">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name descname">PyTuple_GetSlice</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em>, Py_ssize_t<em> low</em>, Py_ssize_t<em> high</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_GetSlice" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return the slice of the tuple pointed to by <em>p</em> between <em>low</em> and <em>high</em>,
or <code class="docutils literal notranslate"><span class="pre">NULL</span></code> on failure. This is the equivalent of the Python expression
<code class="docutils literal notranslate"><span class="pre">p[low:high]</span></code>. Indexing from the end of the list is not supported.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_SetItem">
int <code class="sig-name descname">PyTuple_SetItem</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em>, Py_ssize_t<em> pos</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *o</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_SetItem" title="Permalink to this definition">¶</a></dt>
<dd><p>Insert a reference to object <em>o</em> at position <em>pos</em> of the tuple pointed to by
<em>p</em>. Return <code class="docutils literal notranslate"><span class="pre">0</span></code> on success. If <em>pos</em> is out of bounds, return <code class="docutils literal notranslate"><span class="pre">-1</span></code>
and set an <a class="reference internal" href="../library/exceptions.html#IndexError" title="IndexError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">IndexError</span></code></a> exception.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This function “steals” a reference to <em>o</em> and discards a reference to
an item already in the tuple at the affected position.</p>
</div>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_SET_ITEM">
void <code class="sig-name descname">PyTuple_SET_ITEM</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em>, Py_ssize_t<em> pos</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *o</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_SET_ITEM" title="Permalink to this definition">¶</a></dt>
<dd><p>Like <a class="reference internal" href="#c.PyTuple_SetItem" title="PyTuple_SetItem"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyTuple_SetItem()</span></code></a>, but does no error checking, and should <em>only</em> be
used to fill in brand new tuples.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This macro “steals” a reference to <em>o</em>, and, unlike
<a class="reference internal" href="#c.PyTuple_SetItem" title="PyTuple_SetItem"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyTuple_SetItem()</span></code></a>, does <em>not</em> discard a reference to any item that
is being replaced; any reference in the tuple at position <em>pos</em> will be
leaked.</p>
</div>
</dd></dl>
<dl class="function">
<dt id="c._PyTuple_Resize">
int <code class="sig-name descname">_PyTuple_Resize</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> **p</em>, Py_ssize_t<em> newsize</em><span class="sig-paren">)</span><a class="headerlink" href="#c._PyTuple_Resize" title="Permalink to this definition">¶</a></dt>
<dd><p>Can be used to resize a tuple. <em>newsize</em> will be the new length of the tuple.
Because tuples are <em>supposed</em> to be immutable, this should only be used if there
is only one reference to the object. Do <em>not</em> use this if the tuple may already
be known to some other part of the code. The tuple will always grow or shrink
at the end. Think of this as destroying the old tuple and creating a new one,
only more efficiently. Returns <code class="docutils literal notranslate"><span class="pre">0</span></code> on success. Client code should never
assume that the resulting value of <code class="docutils literal notranslate"><span class="pre">*p</span></code> will be the same as before calling
this function. If the object referenced by <code class="docutils literal notranslate"><span class="pre">*p</span></code> is replaced, the original
<code class="docutils literal notranslate"><span class="pre">*p</span></code> is destroyed. On failure, returns <code class="docutils literal notranslate"><span class="pre">-1</span></code> and sets <code class="docutils literal notranslate"><span class="pre">*p</span></code> to <code class="docutils literal notranslate"><span class="pre">NULL</span></code>, and
raises <a class="reference internal" href="../library/exceptions.html#MemoryError" title="MemoryError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">MemoryError</span></code></a> or <a class="reference internal" href="../library/exceptions.html#SystemError" title="SystemError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">SystemError</span></code></a>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyTuple_ClearFreeList">
int <code class="sig-name descname">PyTuple_ClearFreeList</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyTuple_ClearFreeList" title="Permalink to this definition">¶</a></dt>
<dd><p>Clear the free list. Return the total number of freed items.</p>
</dd></dl>
</div>
<div class="section" id="struct-sequence-objects">
<h1>Struct Sequence Objects<a class="headerlink" href="#struct-sequence-objects" title="Permalink to this headline">¶</a></h1>
<p>Struct sequence objects are the C equivalent of <a class="reference internal" href="../library/collections.html#collections.namedtuple" title="collections.namedtuple"><code class="xref py py-func docutils literal notranslate"><span class="pre">namedtuple()</span></code></a>
objects, i.e. a sequence whose items can also be accessed through attributes.
To create a struct sequence, you first have to create a specific struct sequence
type.</p>
<dl class="function">
<dt id="c.PyStructSequence_NewType">
<a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a>* <code class="sig-name descname">PyStructSequence_NewType</code><span class="sig-paren">(</span><a class="reference internal" href="#c.PyStructSequence_Desc" title="PyStructSequence_Desc">PyStructSequence_Desc</a><em> *desc</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyStructSequence_NewType" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Create a new struct sequence type from the data in <em>desc</em>, described below. Instances
of the resulting type can be created with <a class="reference internal" href="#c.PyStructSequence_New" title="PyStructSequence_New"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyStructSequence_New()</span></code></a>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyStructSequence_InitType">
void <code class="sig-name descname">PyStructSequence_InitType</code><span class="sig-paren">(</span><a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a><em> *type</em>, <a class="reference internal" href="#c.PyStructSequence_Desc" title="PyStructSequence_Desc">PyStructSequence_Desc</a><em> *desc</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyStructSequence_InitType" title="Permalink to this definition">¶</a></dt>
<dd><p>Initializes a struct sequence type <em>type</em> from <em>desc</em> in place.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyStructSequence_InitType2">
int <code class="sig-name descname">PyStructSequence_InitType2</code><span class="sig-paren">(</span><a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a><em> *type</em>, <a class="reference internal" href="#c.PyStructSequence_Desc" title="PyStructSequence_Desc">PyStructSequence_Desc</a><em> *desc</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyStructSequence_InitType2" title="Permalink to this definition">¶</a></dt>
<dd><p>The same as <code class="docutils literal notranslate"><span class="pre">PyStructSequence_InitType</span></code>, but returns <code class="docutils literal notranslate"><span class="pre">0</span></code> on success and <code class="docutils literal notranslate"><span class="pre">-1</span></code> on
failure.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.4.</span></p>
</div>
</dd></dl>
<dl class="type">
<dt id="c.PyStructSequence_Desc">
<code class="sig-name descname">PyStructSequence_Desc</code><a class="headerlink" href="#c.PyStructSequence_Desc" title="Permalink to this definition">¶</a></dt>
<dd><p>Contains the meta information of a struct sequence type to create.</p>
<table class="docutils align-default">
<colgroup>
<col style="width: 22%" />
<col style="width: 34%" />
<col style="width: 44%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>Field</p></th>
<th class="head"><p>C Type</p></th>
<th class="head"><p>Meaning</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">name</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">const</span> <span class="pre">char</span> <span class="pre">*</span></code></p></td>
<td><p>name of the struct sequence type</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">doc</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">const</span> <span class="pre">char</span> <span class="pre">*</span></code></p></td>
<td><p>pointer to docstring for the type
or <code class="docutils literal notranslate"><span class="pre">NULL</span></code> to omit</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">fields</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">PyStructSequence_Field</span> <span class="pre">*</span></code></p></td>
<td><p>pointer to <code class="docutils literal notranslate"><span class="pre">NULL</span></code>-terminated array
with field names of the new type</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">n_in_sequence</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">int</span></code></p></td>
<td><p>number of fields visible to the
Python side (if used as tuple)</p></td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="type">
<dt id="c.PyStructSequence_Field">
<code class="sig-name descname">PyStructSequence_Field</code><a class="headerlink" href="#c.PyStructSequence_Field" title="Permalink to this definition">¶</a></dt>
<dd><p>Describes a field of a struct sequence. As a struct sequence is modeled as a
tuple, all fields are typed as <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyObject*</span></code></a>. The index in the
<code class="xref py py-attr docutils literal notranslate"><span class="pre">fields</span></code> array of the <a class="reference internal" href="#c.PyStructSequence_Desc" title="PyStructSequence_Desc"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyStructSequence_Desc</span></code></a> determines which
field of the struct sequence is described.</p>
<table class="docutils align-default">
<colgroup>
<col style="width: 16%" />
<col style="width: 26%" />
<col style="width: 59%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>Field</p></th>
<th class="head"><p>C Type</p></th>
<th class="head"><p>Meaning</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">name</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">const</span> <span class="pre">char</span> <span class="pre">*</span></code></p></td>
<td><p>name for the field or <code class="docutils literal notranslate"><span class="pre">NULL</span></code> to end
the list of named fields, set to
<a class="reference internal" href="#c.PyStructSequence_UnnamedField" title="PyStructSequence_UnnamedField"><code class="xref c c-data docutils literal notranslate"><span class="pre">PyStructSequence_UnnamedField</span></code></a>
to leave unnamed</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">doc</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">const</span> <span class="pre">char</span> <span class="pre">*</span></code></p></td>
<td><p>field docstring or <code class="docutils literal notranslate"><span class="pre">NULL</span></code> to omit</p></td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="var">
<dt id="c.PyStructSequence_UnnamedField">
char* <code class="sig-name descname">PyStructSequence_UnnamedField</code><a class="headerlink" href="#c.PyStructSequence_UnnamedField" title="Permalink to this definition">¶</a></dt>
<dd><p>Special value for a field name to leave it unnamed.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyStructSequence_New">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name descname">PyStructSequence_New</code><span class="sig-paren">(</span><a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a><em> *type</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyStructSequence_New" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Creates an instance of <em>type</em>, which must have been created with
<a class="reference internal" href="#c.PyStructSequence_NewType" title="PyStructSequence_NewType"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyStructSequence_NewType()</span></code></a>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyStructSequence_GetItem">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name descname">PyStructSequence_GetItem</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em>, Py_ssize_t<em> pos</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyStructSequence_GetItem" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p>Return the object at position <em>pos</em> in the struct sequence pointed to by <em>p</em>.
No bounds checking is performed.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyStructSequence_GET_ITEM">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name descname">PyStructSequence_GET_ITEM</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em>, Py_ssize_t<em> pos</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyStructSequence_GET_ITEM" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p>Macro equivalent of <a class="reference internal" href="#c.PyStructSequence_GetItem" title="PyStructSequence_GetItem"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyStructSequence_GetItem()</span></code></a>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyStructSequence_SetItem">
void <code class="sig-name descname">PyStructSequence_SetItem</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em>, Py_ssize_t<em> pos</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *o</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyStructSequence_SetItem" title="Permalink to this definition">¶</a></dt>
<dd><p>Sets the field at index <em>pos</em> of the struct sequence <em>p</em> to value <em>o</em>. Like
<a class="reference internal" href="#c.PyTuple_SET_ITEM" title="PyTuple_SET_ITEM"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyTuple_SET_ITEM()</span></code></a>, this should only be used to fill in brand new
instances.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This function “steals” a reference to <em>o</em>.</p>
</div>
</dd></dl>
<dl class="function">
<dt id="c.PyStructSequence_SET_ITEM">
void <code class="sig-name descname">PyStructSequence_SET_ITEM</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em>, Py_ssize_t<em> *pos</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *o</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyStructSequence_SET_ITEM" title="Permalink to this definition">¶</a></dt>
<dd><p>Macro equivalent of <a class="reference internal" href="#c.PyStructSequence_SetItem" title="PyStructSequence_SetItem"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyStructSequence_SetItem()</span></code></a>.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This function “steals” a reference to <em>o</em>.</p>
</div>
</dd></dl>
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