drmach_io_is_attached
err = drmach_io_is_attached(id, &configured);
err = drmach_io_is_attached(cp->sbdev_id, &yes);
extern sbd_error_t *drmach_io_is_attached(drmachid_t id, int *yes);
err = drmach_io_is_attached(cp->sbdev_id, &yes);
err = drmach_io_is_attached(id, &configured);
extern sbd_error_t *drmach_io_is_attached(drmachid_t id, int *yes);