xcopyin_nta
error = xcopyin_nta(iov->iov_base, p, cnt,
error = xcopyin_nta(iov->iov_base, p, cnt,
int xcopyin_nta(const void *, void *, size_t, int);
return (xcopyin_nta(uaddr, kaddr, count, UIO_COPY_CACHED));