sosend
error = sosend(bootp_so, (struct sockaddr *) &dst,
error = sosend(so, (struct sockaddr *)sa, NULL, m,
so->so_send = sosend;
return sosend(so, &dst.sa, NULL, m, NULL, 0, curlwp);
error = sosend(so, wgsatosa(wgsa), NULL, m, NULL, 0, curlwp);
int sosend(struct socket *, struct sockaddr *, struct uio *,