1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.ca
3
4 .. _CA_GET_SLOT_INFO:
5
6 ================
7 CA_GET_SLOT_INFO
8 ================
9
10 Name
11 ----
12
13 CA_GET_SLOT_INFO
14
15 Synopsis
16 --------
17
18 .. c:macro:: CA_GET_SLOT_INFO
19
20 ``int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)``
21
22 Arguments
23 ---------
24
25 ``fd``
26 File descriptor returned by a previous call to :c:func:`open()`.
27
28 ``info``
29 Pointer to struct :c:type:`ca_slot_info`.
30
31 Description
32 -----------
33
34 Returns information about a CA slot identified by
35 :c:type:`ca_slot_info`.slot_num.
36
37 Return Value
38 ------------
39
40 On success 0 is returned, and :c:type:`ca_slot_info` is filled.
41
42 On error -1 is returned, and the ``errno`` variable is set
43 appropriately.
44
45 .. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
46
47 .. flat-table::
48 :header-rows: 0
49 :stub-columns: 0
50 :widths: 1 16
51
52 - - ``ENODEV``
53 - the slot is not available.
54
55 The generic error codes are described at the
56 :ref:`Generic Error Codes <gen-errors>` chapter.
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