Defined in 1 files as a macro:

• bsd/netinet/in_private.h, line 321 (as a macro)

Referenced in 3 files:

• bsd/netinet/in_tclass.c, line 1086
• bsd/netinet/raw_ip.c, line 509
• bsd/netinet/udp_usrreq.c, line 1860