https://pike.lysator.liu.se/docs/ietf/rfc/22/rfc2290.xml
RFC 2290: Mobile-IPv4 Configuration Option for PPP IPCP - Pike Programming Language
https://gcc.gnu.org/legacy-ml/gcc-patches/2009-05/msg00615.html
Richard Guenther - Re: Add missing return false to ipcp_cloning_candidate_p
https://parking.lotnisko-chopina.pl/
iPCP-Parking
parking
https://parken.dresden-airport.de/
iPCP-Parking
parking