Defined in 1 files as a member:

• bsd/sys/protosw.h, line 139 (as a member)

Referenced in 3 files:

• bsd/netinet/ip_icmp.c, line 618
• bsd/netinet/tcp_subr.c, line 2405
• bsd/netinet/udp_usrreq.c, line 899