ppp_packetbuf
challp = ppp_packetbuf(_this->ppp, PPP_AUTH_CHAP);
pkt = ppp_packetbuf(_this->ppp, PPP_PROTO_CHAP) + HEADERLEN;
pkt = ppp_packetbuf(_this->ppp, PPP_PROTO_CHAP) + HEADERLEN;
pkt = ppp_packetbuf(_this->ppp, PPP_PROTO_CHAP) + HEADERLEN;
pkt = ppp_packetbuf(_this->ppp, PPP_PROTO_CHAP) + HEADERLEN;
respkt = respkt0 = ppp_packetbuf(_this->ppp, PPP_PROTO_CHAP)
opktp0 = ppp_packetbuf(_this->ppp,
outp = ppp_packetbuf(_this->ppp, PPP_PROTO_MPPE);
pktp = ppp_packetbuf(_this->ppp, PPP_PROTO_PAP) + HEADERLEN;
u_char *ppp_packetbuf (npppd_ppp *, int);