Symbol: fr_send_icmp_err
usr/src/uts/common/inet/ipf/fil.c
2667
(void) fr_send_icmp_err(ICMP_UNREACH, fin, dst);
usr/src/uts/common/inet/ipf/netinet/ip_fil.h
1508
extern int fr_send_icmp_err __P((int, fr_info_t *, int));