Defined in 3 files as a macro:

• contrib/tcpdump/print-icmp.c, line 128 (as a macro)
• sys/contrib/ipfilter/netinet/ip_compat.h, line 959 (as a macro)
• sys/netinet/ip_icmp.h, line 173 (as a macro)

Referenced in 5 files:

• contrib/ipfilter/tools/ipmon.c, line 192
• contrib/tcpdump/print-icmp.c, line 234
• sbin/pfctl/pfctl_parser.c, line 157
• sbin/ping/ping.c, line 1560
• sys/contrib/ipfilter/netinet/ip_compat.h, line 958