Defined in 1 files as a macro:

• bsd/netinet/in.h, line 476 (as a macro)

Referenced in 3 files:

• bsd/netinet/in.c, line 2415
• bsd/netinet/in_mcast.c
  • line 1497
  • line 1520
  • line 3174
• bsd/netinet/ip_output.c, line 2505