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| -rw-r--r-- | Doc/library/ctypes.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/library/ctypes.rst b/Doc/library/ctypes.rst index 033c488..486c963 100644 --- a/Doc/library/ctypes.rst +++ b/Doc/library/ctypes.rst @@ -817,6 +817,11 @@ pointer types. So, for ``POINTER(c_int)``, ctypes accepts an array of c_int:: 3 >>> +In addition, if a function argument is explicitly declared to be a pointer type +(such as ``POINTER(c_int)``) in :attr:`argtypes`, an object of the pointed +type (``c_int`` in this case) can be passed to the function. ctypes will apply +the required :func:`byref` conversion in this case automatically. + To set a POINTER type field to ``NULL``, you can assign ``None``:: >>> bar.values = None |