#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG4 && !defined POSIX2008

type {struct iovec}

element {struct iovec} {void*} iov_base

element {struct iovec} size_t iov_len

function ssize_t readv (int, const struct iovec*, int)

function ssize_t writev (int, const struct iovec*, int)

allow iov_*

allow IOV_*

allow *_t

allow UIO_MAXIOV

#endif