| .. -*- coding: utf-8; mode: rst -*- |
| .. c:function:: int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info) |
| File descriptor returned by a previous call to :c:func:`open() <cec-open>`. |
| Pointer to struct :c:type:`ca_slot_info`. |
| Returns information about a CA slot identified by |
| :c:type:`ca_slot_info`.slot_num. |
| On success 0 is returned, and :c:type:`ca_slot_info` is filled. |
| On error -1 is returned, and the ``errno`` variable is set |
| .. tabularcolumns:: |p{2.5cm}|p{15.0cm}| |
| - the slot is not available. |
| The generic error codes are described at the |
| :ref:`Generic Error Codes <gen-errors>` chapter. |