sosleep_nsec
error = sosleep_nsec(so, &so->so_timeo,
error = sosleep_nsec(so, &so->so_timeo, PSOCK | PCATCH,
error = sosleep_nsec(head, &head->so_timeo, PSOCK | PCATCH,
error = sosleep_nsec(so, &so->so_timeo, PSOCK | PCATCH,
sosleep_nsec(so, &so->so_timeo, PSOCK, "nfscon",
int sosleep_nsec(struct socket *, void *, int, const char *, uint64_t);