static int plug_proxy_accepting (Plug p, void *sock)
static int plug_proxy_accepting (Plug p, OSSocket sock)
static int plug_proxy_accepting (Plug p, void *sock){    Proxy_Plug pp = (Proxy_Plug) p;    Proxy_Socket ps = pp->proxy_socket;    if (ps->state != PROXY_STATE_ACTIVE) {	ps->accepting_sock = sock;	return ps->negotiate(ps, PROXY_CHANGE_ACCEPTING);    }    return plug_accepting(ps->plug, sock);}