if (sizeof (cc_t) == 1 || _POSIX_VDISABLE == 0
    || (unsigned char) _POSIX_VDISABLE == (unsigned char) -1)
  memset (__mempcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],
                     __KERNEL_NCCS * sizeof (cc_t)),
          _POSIX_VDISABLE, (NCCS - __KERNEL_NCCS) * sizeof (cc_t));
else
  {
    memcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],
            __KERNEL_NCCS * sizeof (cc_t));

    for (size_t cnt = __KERNEL_NCCS; cnt < NCCS; ++cnt)
      termios_p->c_cc[cnt] = _POSIX_VDISABLE;
  }

memset (__mempcpy (&termios_p->c_cc[0], &k_termios.c_cc[0],
                     __KERNEL_NCCS * sizeof (cc_t)),
          _POSIX_VDISABLE, (NCCS - __KERNEL_NCCS) * sizeof (cc_t));