Defined in 3 files as a macro:

• contrib/tcpdump/tcp.h, line 75 (as a macro)
• sys/contrib/ipfilter/netinet/ip_compat.h, line 891 (as a macro)
• sys/netinet/tcp.h, line 95 (as a macro)

Referenced in 13 files:

• contrib/ipfilter/lib/tcpoptnames.c, line 20
• contrib/tcpdump/print-tcp.c
  • line 125
  • line 505
• contrib/tcpdump/tcp.h, line 93
• sys/contrib/ipfilter/netinet/ip_compat.h, line 890
• sys/dev/mlx5/mlx5_en/mlx5_en_rx.c, line 158
• sys/dev/nxge/if_nxge.c, line 2572
• sys/dev/sfxge/sfxge_rx.c, line 556
• sys/netinet/tcp_input.c, line 3361
• sys/netinet/tcp_lro.c, line 682
• sys/netinet/tcp_output.c, line 1740
• sys/netpfil/ipfw/ip_fw2.c, line 368
• sys/netpfil/pf/pf_norm.c
  • line 1306
  • line 1407
• sys/netpfil/pf/pf_osfp.c, line 177