Defined in 1 files as a macro:

• bsd/sys/protosw.h, line 310 (as a macro)

Referenced in 4 files:

• bsd/netiso/cltp_usrreq.c, line 204
• bsd/netiso/if_eon.c, line 615
• bsd/netns/ns_ip.c, line 439
• bsd/sys/protosw.h, line 321