auth_peer_fail
auth_peer_fail(cstate->unit, PPP_CHAP);
auth_peer_fail(unit, PPP_CHAP);
auth_peer_fail(cstate->unit, PPP_CHAP);
void auth_peer_fail(int, int);
auth_peer_fail(u->us_unit, PPP_PAP);
auth_peer_fail(unit, PPP_PAP);
auth_peer_fail(u->us_unit, PPP_PAP);