IPPROTO_PFSYNC   1580 net/if_pfsync.c 		ip->ip_p = IPPROTO_PFSYNC;
IPPROTO_PFSYNC    260 net/if_pfsync.h 	    (st->state_key->proto == IPPROTO_PFSYNC))			\
IPPROTO_PFSYNC    283 netinet/in_proto.c { SOCK_RAW,	&inetdomain,	IPPROTO_PFSYNC,	PR_ATOMIC|PR_ADDR,