擅长:python、mysql、java
<p>ctypes<a href="https://docs.python.org/3/library/ctypes.html#ctypes-fundamental-data-types-2" rel="nofollow noreferrer">automatically converts</a><code>c_char_p</code>将值返回给bytes对象。在</p>
<blockquote>
<p>Fundamental data types, when returned as foreign function call results, or, for example, by retrieving structure field members or array items, are transparently converted to native Python types. In other words, if a foreign function has a restype of c_char_p, you will always receive a Python bytes object, <em>not</em> a c_char_p instance.</p>
</blockquote>
<p>如果需要实际的指针值,请使用<code>ctypes.POINTER(ctypes.c_char)</code>作为<code>restype</code>。在</p>