Issue #18758: Fixed and improved cross-references.
diff --git a/Doc/library/ossaudiodev.rst b/Doc/library/ossaudiodev.rst
index 4a0c3a3..b53e80f 100644
--- a/Doc/library/ossaudiodev.rst
+++ b/Doc/library/ossaudiodev.rst
@@ -169,11 +169,11 @@
be used in a :keyword:`with` statement.
-The following methods each map to exactly one :func:`ioctl` system call. The
+The following methods each map to exactly one :c:func:`ioctl` system call. The
correspondence is obvious: for example, :meth:`setfmt` corresponds to the
``SNDCTL_DSP_SETFMT`` ioctl, and :meth:`sync` to ``SNDCTL_DSP_SYNC`` (this can
be useful when consulting the OSS documentation). If the underlying
-:func:`ioctl` fails, they all raise :exc:`OSError`.
+:c:func:`ioctl` fails, they all raise :exc:`OSError`.
.. method:: oss_audio_device.nonblock()