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.. -*- coding: utf-8; mode: rst -*-
.. _CA_GET_CAP:
==========
CA_GET_CAP
==========
Name
----
CA_GET_CAP
Synopsis
--------
.. c:function:: int ioctl(fd, CA_GET_CAP, struct ca_caps *caps)
:name: CA_GET_CAP
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`.
``caps``
Pointer to struct :c:type:`ca_caps`.
.. c:type:: struct ca_caps
.. flat-table:: struct ca_caps
:header-rows: 1
:stub-columns: 0
-
- type
- name
- description
-
- unsigned int
- slot_num
- total number of CA card and module slots
-
- unsigned int
- slot_type
- bitmask with all supported slot types
-
- unsigned int
- descr_num
- total number of descrambler slots (keys)
-
- unsigned int
- descr_type
- bit mask with all supported descr types
Description
-----------
.. note:: This ioctl is undocumented. Documentation is welcome.
Return Value
------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
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