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- .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
- .. c:namespace:: DTV.ca
- .. _CA_GET_DESCR_INFO:
- =================
- CA_GET_DESCR_INFO
- =================
- Name
- ----
- CA_GET_DESCR_INFO
- Synopsis
- --------
- .. c:macro:: CA_GET_DESCR_INFO
- ``int ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc)``
- Arguments
- ---------
- ``fd``
- File descriptor returned by a previous call to :c:func:`open()`.
- ``desc``
- Pointer to struct :c:type:`ca_descr_info`.
- Description
- -----------
- Returns information about all descrambler slots.
- Return Value
- ------------
- On success 0 is returned, and :c:type:`ca_descr_info` is filled.
- On error -1 is returned, 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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