Defined in 3 files as a macro:

• bsd/netccitt/dll.h, line 64 (as a macro)
• bsd/netccitt/x25.h, line 65 (as a macro)
• bsd/sys/protosw.h, line 298 (as a macro)

Referenced in 5 files:

• bsd/net/if.c, line 470
• bsd/netccitt/dll.h, line 63
• bsd/netccitt/hd_subr.c, line 147
• bsd/netccitt/llc_input.c
  • line 388
  • line 414
• bsd/netinet/raw_ip.c, line 491