Symbol: PPTP_GRE_PKT_SEQ_PRESENT
usr.sbin/npppd/pptp/pptp_call.c
512
if ((input_flags & PPTP_GRE_PKT_SEQ_PRESENT) == 0)
usr.sbin/npppd/pptp/pptpd.c
763
input_flags |= PPTP_GRE_PKT_SEQ_PRESENT;