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<h3>Abstract Object Layer</h3>
<p>The functions in Tables B.4 through B.8 are used to manipulate objects from C, in much the same manner as from the interpreter. All the functions in this section that return an <tT CLAss="monofont">int</tt>  return <TT CLass="monofont">-1</tT>  if an error occurs. Likewise, functions that return a <TT Class="monofont">PyObject *</tt>  return <tt class="monofont">NULL</tt> on failure. Note that an 揺rror
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