Defined in 2 files as a macro:

• bsd/netinet/tcp_var.h, line 206 (as a macro)
• bsd/netinet/tcp_var.h, line 424 (as a macro)

Referenced in 2 files:

• bsd/netinet/tcp_input.c, line 2492
• bsd/netinet/tcp_usrreq.c
  • line 680
  • line 691