Defined in 3 files as a macro:

• external/bsd/tcpdump/dist/tcp.h, line 68 (as a macro)
• sys/external/bsd/ipf/netinet/ip_compat.h, line 936 (as a macro)
• sys/netinet/tcp.h, line 92 (as a macro)

Referenced in 6 files:

• external/bsd/ipf/dist/lib/tcpoptnames.c, line 19
• external/bsd/tcpdump/dist/print-tcp.c
  • line 122
  • line 466
• sys/dist/pf/net/pf.c, line 1609
• sys/external/bsd/ipf/netinet/ip_compat.h, line 935
• sys/netinet/tcp_input.c, line 3196
• sys/netinet/tcp_output.c, line 1166