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43 lines
798 B
43 lines
798 B
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later |
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.. c:namespace:: DTV.ca |
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.. _CA_GET_DESCR_INFO: |
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================= |
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CA_GET_DESCR_INFO |
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================= |
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Name |
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---- |
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CA_GET_DESCR_INFO |
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Synopsis |
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-------- |
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.. c:macro:: CA_GET_DESCR_INFO |
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``int ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc)`` |
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Arguments |
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--------- |
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``fd`` |
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File descriptor returned by a previous call to :c:func:`open()`. |
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``desc`` |
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Pointer to struct :c:type:`ca_descr_info`. |
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Description |
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----------- |
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Returns information about all descrambler slots. |
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Return Value |
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------------ |
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On success 0 is returned, and :c:type:`ca_descr_info` is filled. |
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On error -1 is returned, and the ``errno`` variable is set |
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appropriately. The generic error codes are described at the |
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:ref:`Generic Error Codes <gen-errors>` chapter.
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