Defined in 1 files as a macro:

• bsd/netinet/ip_var.h, line 294 (as a macro)

Referenced in 6 files:

• bsd/netinet/ip_output.c, line 479
• bsd/netinet/kpi_ipfilter.c, line 334
• bsd/netinet/raw_ip.c, line 393
• bsd/netinet/tcp_output.c, line 2739
• bsd/netinet/tcp_subr.c, line 995
• bsd/netinet/udp_usrreq.c, line 1478