Symbol: IP6OPT_ROUTER_ALERT
sys/netinet/ip6.h
146
#define IP6OPT_ROUTER_ALERT 0x05 /* 00 0 00101 (RFC3542, recommended) */
usr.sbin/mld6query/mld6.c
72
#define IP6OPT_ROUTER_ALERT IP6OPT_RTALERT