835     struct msghdr *m;  in add_iov()  local
842         m = &c->msglist[c->msgused - 1];  in add_iov()
851         if (m->msg_iovlen == IOV_MAX ||  in add_iov()
854             m = &c->msglist[c->msgused - 1];  in add_iov()
868         m = &c->msglist[c->msgused - 1];  in add_iov()
869         m->msg_iov[m->msg_iovlen].iov_base = (void *)buf;  in add_iov()
870         m->msg_iov[m->msg_iovlen].iov_len = len;  in add_iov()
874         m->msg_iovlen++;  in add_iov()
4359         struct msghdr *m = &c->msglist[c->msgcurr];  in transmit()  local
4361         res = sendmsg(c->sfd, m, 0);  in transmit()
4369             while (m->msg_iovlen > 0 && res >= m->msg_iov->iov_len) {  in transmit()
4370                 res -= m->msg_iov->iov_len;  in transmit()
4371                 m->msg_iovlen--;  in transmit()
4372                 m->msg_iov++;  in transmit()
4378                 m->msg_iov->iov_base = (caddr_t)m->msg_iov->iov_base + res;  in transmit()
4379                 m->msg_iov->iov_len -= res;  in transmit()