HelenOS sources

ds_ddev_open       46 uspace/srv/hid/display/ddev.h extern errno_t ds_ddev_open(ds_display_t *, service_id_t, ds_ddev_t **);
ds_ddev_open       92 uspace/srv/hid/display/output.c 			rc = ds_ddev_open(output->def_display, svcs[i], &nddev);