Defined in 1 files as a macro:

• bsd/sys/protosw.h, line 319 (as a macro)

Referenced in 4 files:

• bsd/netinet/ip_icmp.c
  • line 353
  • line 425
• bsd/netinet6/ah_input.c, line 1017
• bsd/netinet6/esp_input.c, line 970
• bsd/netinet6/icmp6.c, line 502