ktr_genio
struct ktr_genio *ktp;
buflen = uimin(PAGE_SIZE, resid + sizeof(struct ktr_genio));
buflen -= sizeof(struct ktr_genio);
kte->kte_kth.ktr_len = sizeof(struct ktr_genio);
__strong_alias(ktr_genio,nullop);
void ktr_genio(int, enum uio_rw, const void *, size_t, int);
ktr_genio(a, b, c, d, e);
static void ktrgenio(struct ktr_genio *, int);
ktrgenio(struct ktr_genio *ktr, int len)
int datalen = len - sizeof (struct ktr_genio);
char *dp = (char *)ktr + sizeof (struct ktr_genio);
struct ktr_genio *ktr = (struct ktr_genio *)(kth + 1);
int datalen = kth->ktr_len - sizeof(struct ktr_genio);
struct ktr_genio *ktr = (struct ktr_genio *)(kth + 1);