Defined in 1 files as a macro:

• bsd/netinet/tcp.h, line 118 (as a macro)

Referenced in 5 files:

• bsd/net/pf.c, line 2454
• bsd/netinet/ip_fw2.c, line 1024
• bsd/netinet/tcp.h, line 147
• bsd/netinet/tcp_input.c, line 5063
• bsd/netinet/tcp_output.c, line 1596