1 #if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
4 element {struct iovec} {void*} iov_base
5 element {struct iovec} size_t iov_len
7 function ssize_t readv (int, const struct iovec*, int)
8 function ssize_t writev (int, const struct iovec*, int)