PPB_DONTWAIT
if ((error = ppb_request_bus(ppbus, vpo->vpo_dev, PPB_DONTWAIT)))
imm_connect(vpo, PPB_DONTWAIT, &error, 0);
imm_connect(vpo, PPB_DONTWAIT, &error, 0);
imm_connect(vpo, PPB_DONTWAIT, &error, 0);
if ((error = ppb_request_bus(ppbus, vpo->vpo_dev, PPB_DONTWAIT)))
if (ppb_request_bus(ppbus, dev, PPB_DONTWAIT)) {
if (ppb_request_bus(ppbus, dev, PPB_DONTWAIT)) {
if ((error = lpt_request_ppbus(dev, PPB_DONTWAIT))) {
if ((error = lpt_request_ppbus(dev, PPB_DONTWAIT))) {
(ap->a_oflags & O_NONBLOCK) ? PPB_DONTWAIT : PPB_WAIT)))
ppb_peripheral_terminate(ppbus, PPB_DONTWAIT);
(ap->a_oflags & O_NONBLOCK) ? PPB_DONTWAIT :