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+.. -*- coding: utf-8; mode: rst -*-
+
+.. _CA_GET_MSG:
+
+==========
+CA_GET_MSG
+==========
+
+Name
+----
+
+CA_GET_MSG
+
+
+Synopsis
+--------
+
+.. c:function:: int ioctl(fd, CA_GET_MSG, struct ca_msg *msg)
+    :name: CA_GET_MSG
+
+
+Arguments
+---------
+
+``fd``
+  File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`.
+
+``msg``
+  Pointer to struct :c:type:`ca_msg`.
+
+Description
+-----------
+
+Receives a message via a CI CA module.
+
+.. note::
+
+   Please notice that, on most drivers, this is done by reading from
+   the /dev/adapter?/ca? device node.
+
+
+Return Value
+------------
+
+
+On success 0 is returned.
+
+On error -1 is returned, and the ``errno`` variable is set
+appropriately.
+
+Generic error codes are described at the
+:ref:`Generic Error Codes <gen-errors>` chapter.