Defined in 1 files as a macro:

• bsd/netinet/ip.h, line 138 (as a macro)

Referenced in 4 files:

• bsd/netinet/ip_input.c
  • line 1473
  • line 1474
• bsd/netinet/ip_output.c
  • line 424
  • line 425
  • line 426
• bsd/netinet/tcp_input.c, line 733
• bsd/netinet/tcp_output.c, line 1550