This RPC is used to obtain the list of devices accessible by the SANE daemon.
| request: | reply: |
| void | SANE_Word status |
| SANE_Device ***device_list |
In the reply, status indicates the completion status. If the value is anything other than SANE_STATUS_SUCCESS, the remainder of the reply has undefined values. The device_list argument is a pointer to a NULL-terminated array of SANE_Device pointers.