Defined in 1 files as a macro:

• bsd/sys/protosw.h, line 350 (as a macro)

Referenced in 5 files:

• bsd/netinet/ip_icmp.c
  • line 388
  • line 460
• bsd/netinet/tcp_subr.c
  • line 1204
  • line 1260
• bsd/netinet6/ah_input.c, line 998
• bsd/netinet6/esp_input.c, line 977
• bsd/netinet6/icmp6.c, line 478