ds_conn_open
dc = ds_conn_open("/dev/spds", NULL);
dc = ds_conn_open("/dev/spds", NULL);
dc = ds_conn_open("/dev/spds", NULL);
dc = ds_conn_open("/dev/spds", NULL);
dc = ds_conn_open("/dev/spds", NULL);
struct ds_conn *ds_conn_open(const char *, void *);
dc = ds_conn_open(path, guest);