xpttargettraverse
return (xpttargettraverse(bus, target, xptedttargetfunc, arg));
return(xpttargettraverse(bus, NULL, xptdeftargetfunc, arg));
static int xpttargettraverse(struct cam_eb *bus,
xpttargettraverse(bus, NULL, xpt_async_process_tgt, ccb);