Defined in 1 files as a macro:

• bsd/netinet/tcp.h, line 134 (as a macro)

Referenced in 4 files:

• bsd/net/pf.c, line 2633
• bsd/netinet/tcp.h, line 168
• bsd/netinet/tcp_input.c, line 5995
• bsd/netinet/tcp_output.c, line 1898