sendrecv
sendrecv(0);
sendrecv(1);
i = sendrecv(d,
(void)sendrecv(d,
ssize_t sendrecv(struct iodesc *,
if (sendrecv(d,
cc = sendrecv(d,
res = sendrecv(h->iodesc, sendudp, &wbuf.t, wtail - (char *) &wbuf.t,
res = sendrecv(h->iodesc, sendudp, &wbuf.t, wtail - (char *) &wbuf.t,