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.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_GET_SLOT_INFO:
================
CA_GET_SLOT_INFO
================
Name
----
CA_GET_SLOT_INFO
Synopsis
--------
.. c:macro:: CA_GET_SLOT_INFO
``int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)``
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open()`.
``info``
Pointer to struct :c:type:`ca_slot_info`.
Description
-----------
Returns information about a CA slot identified by
:c:type:`ca_slot_info`.slot_num.
Return Value
------------
On success 0 is returned, and :c:type:`ca_slot_info` is filled.
On error -1 is returned, and the ``errno`` variable is set
appropriately.
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- - ``ENODEV``
- the slot is not available.
The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
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