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- .. -*- coding: utf-8; mode: rst -*-
- .. _CA_GET_CAP:
- ==========
- CA_GET_CAP
- ==========
- Name
- ----
- CA_GET_CAP
- Synopsis
- --------
- .. c:function:: int ioctl(fd, CA_GET_CAP, struct ca_caps *caps)
- :name: CA_GET_CAP
- Arguments
- ---------
- ``fd``
- File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`.
- ``caps``
- Pointer to struct :c:type:`ca_caps`.
- Description
- -----------
- Queries the Kernel for information about the available CA and descrambler
- slots, and their types.
- Return Value
- ------------
- On success 0 is returned and :c:type:`ca_caps` 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.
|
