start_message(struct interface *ifp, int type, int len)
{
  babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp);
    if(babel_ifp->bufsize - babel_ifp->buffered < len + 2)
        flushbuf(ifp);
    babel_ifp->sendbuf[babel_ifp->buffered++] = type;
    babel_ifp->sendbuf[babel_ifp->buffered++] = len;
}
start_message(struct interface *ifp, int type, int len)
{
  babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp);
    if(babel_ifp->bufsize - babel_ifp->buffered < len + 2)
        flushbuf(ifp);
    babel_ifp->sendbuf[babel_ifp->buffered++] = type;
    babel_ifp->sendbuf[babel_ifp->buffered++] = len;
}