Defined in 2 files as a macro:

• contrib/tcpdump/tcp.h, line 75 (as a macro)
• sys/netinet/tcp.h, line 100 (as a macro)

Referenced in 12 files:

• contrib/ipfilter/lib/tcpoptnames.c, line 20
• contrib/tcpdump/print-tcp.c
  • line 125
  • line 505
• contrib/tcpdump/tcp.h, line 93
• sys/dev/cxgbe/crypto/t4_kern_tls.c
  • line 1096
  • line 1129
• sys/dev/mlx5/mlx5_en/mlx5_en_rx.c, line 186
• sys/dev/sfxge/sfxge_rx.c, line 558
• sys/netinet/tcp_input.c, line 3365
• sys/netinet/tcp_lro.c
  • line 626
  • line 713
  • line 766
  • line 1235
• sys/netinet/tcp_output.c, line 1791
• sys/netpfil/ipfw/ip_fw2.c, line 399
• sys/netpfil/pf/pf_norm.c
  • line 1468
  • line 1569
• sys/netpfil/pf/pf_osfp.c, line 177