Defined in 1 files as a macro:

• bsd/sys/protosw.h, line 75 (as a macro)

Referenced in 3 files:

• bsd/netinet/igmp.c
  • line 235
  • line 273
  • line 398
• bsd/netinet/tcp_timer.h, line 145
• bsd/netinet6/mld6.c
  • line 162
  • line 270