Defined in 4 files as a macro:

• external/bsd/tcpdump/dist/print-icmp.c, line 141 (as a macro)
• external/mpl/dhcp/dist/includes/netinet/ip_icmp.h, line 153 (as a macro)
• sys/external/bsd/ipf/netinet/ip_compat.h, line 1024 (as a macro)
• sys/netinet/ip_icmp.h, line 222 (as a macro)

Referenced in 8 files:

• dist/pf/sbin/pfctl/pfctl_parser.c, line 192
• external/bsd/ipf/dist/tools/ipmon.c, line 200
• external/bsd/tcpdump/dist/print-icmp.c, line 506
• sbin/ping/ping.c, line 1688
• sys/external/bsd/ipf/netinet/ip_compat.h, line 1023
• sys/netinet/ip_input.c, line 1361
• sys/netmpls/mpls_ttl.c, line 402
• usr.sbin/traceroute/traceroute.c, line 1445