.. -*- 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() `. ``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 ` chapter.