Defined in 2 files as a member:

• bsd/net/if_var_private.h, line 313 (as a member)
• bsd/net/ntstat.h, line 1571 (as a member)

Referenced in 3 files:

• bsd/net/ntstat.c, line 5004
• bsd/netinet/tcp_subr.c, line 5536
• bsd/netinet/tcp_timer.c, line 2594