swapent32_t
ust = (swapent32_t *)((swaptbl32_t *)sc_arg)->swt_ent;
if (copyin(ust, &st, sizeof (swapent32_t)) != 0)
if (copyout(&st, ust, sizeof (swapent32_t)) != 0 ||
ust = (swapent32_t *)((swaptbl32_t *)sc_arg)->swt_ent;