PptpClearCallRequest  293 include/linux/netfilter/nf_conntrack_pptp.h 	struct PptpClearCallRequest	clrreq;
PptpClearCallRequest  492 net/netfilter/nf_conntrack_pptp.c 	[PPTP_CALL_CLEAR_REQUEST]     = sizeof(struct PptpClearCallRequest),