walker           2418 net/pfkeyv2.c  pfkeyv2_ipo_walk(int (*walker)(struct ipsec_policy *, void *), void *arg)
walker           2424 net/pfkeyv2.c  		rval = walker(ipo, (void *)arg);
walker            501 netinet/ip_ipsp.c tdb_walk(int (*walker)(struct tdb *, void *, int), void *arg)
walker            513 netinet/ip_ipsp.c 				rval = walker(tdbp, (void *)arg, 1);
walker            515 netinet/ip_ipsp.c 				rval = walker(tdbp, (void *)arg, 0);