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1 | .. -*- coding: utf-8; mode: rst -*- |
2 | ||
3 | .. _CA_GET_MSG: | |
4 | ||
586027ce | 5 | ========== |
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6 | CA_GET_MSG |
7 | ========== | |
8 | ||
15e7d615 | 9 | Name |
586027ce | 10 | ---- |
47d23e36 | 11 | |
586027ce | 12 | CA_GET_MSG |
47d23e36 | 13 | |
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14 | |
15 | Synopsis | |
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16 | -------- |
17 | ||
189d7243 | 18 | .. c:function:: int ioctl(fd, CA_GET_MSG, struct ca_msg *msg) |
cf8076c3 | 19 | :name: CA_GET_MSG |
47d23e36 | 20 | |
47d23e36 | 21 | |
15e7d615 | 22 | Arguments |
586027ce | 23 | --------- |
47d23e36 | 24 | |
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25 | ``fd`` |
26 | File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`. | |
47d23e36 | 27 | |
cf8076c3 | 28 | ``msg`` |
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29 | Pointer to struct :c:type:`ca_msg`. |
30 | ||
31 | ||
32 | .. c:type:: struct ca_msg | |
33 | ||
34 | .. flat-table:: struct ca_msg | |
35 | :header-rows: 1 | |
36 | :stub-columns: 0 | |
37 | ||
38 | - | |
39 | - type | |
40 | - name | |
41 | - description | |
42 | - | |
43 | - unsigned int | |
44 | - index | |
45 | - | |
46 | ||
47 | - | |
48 | - unsigned int | |
49 | - type | |
50 | - | |
51 | ||
52 | - | |
53 | - unsigned int | |
54 | - length | |
55 | - | |
56 | ||
57 | - | |
58 | - unsigned char | |
59 | - msg[256] | |
60 | - | |
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61 | |
62 | ||
15e7d615 | 63 | Description |
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64 | ----------- |
65 | ||
cf8076c3 | 66 | .. note:: This ioctl is undocumented. Documentation is welcome. |
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67 | |
68 | ||
15e7d615 | 69 | Return Value |
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70 | ------------ |
71 | ||
72 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
73 | appropriately. The generic error codes are described at the | |
74 | :ref:`Generic Error Codes <gen-errors>` chapter. |