4.2.6. CA_GET_DESCR_INFO¶
4.2.6.1. Name¶
CA_GET_DESCR_INFO
4.2.6.2. Synopsis¶
- int ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc)¶
4.2.6.3. Arguments¶
- fd
- File descriptor returned by a previous call to open().
- desc
- Pointer to struct ca_descr_info.
- struct ca_descr_info¶
type | name | description |
---|---|---|
unsigned int | num | number of available descramblers (keys) |
unsigned int | type | type of supported scrambling system. Valid values are: CA_ECD, CA_NDS and CA_DSS. |
4.2.6.4. Description¶
Note
This ioctl is undocumented. Documentation is welcome.
4.2.6.5. Return Value¶
On success 0 is returned, on error -1 and the errno variable is set appropriately. The generic error codes are described at the Generic Error Codes chapter.