Defined in 2 files as a macro:

• contrib/tcpdump/tcp.h, line 68 (as a macro)
• sys/netinet/tcp.h, line 91 (as a macro)

Referenced in 13 files:

• contrib/ipfilter/lib/tcpoptnames.c, line 16
• contrib/tcpdump/print-tcp.c
  • line 119
  • line 453
• sys/contrib/ipfilter/netinet/ip_nat.c, line 6506
• sys/contrib/ipfilter/netinet/ip_state.c, line 1959
• sys/netgraph/ng_tcpmss.c, line 429
• sys/netinet/tcp_input.c, line 3347
• sys/netinet/tcp_output.c, line 1754
• sys/netpfil/ipfw/ip_fw2.c, line 376
• sys/netpfil/ipfw/pmod/tcpmod.c, line 95
• sys/netpfil/pf/pf.c
  • line 2477
  • line 3154
• sys/netpfil/pf/pf_norm.c, line 1928
• sys/netpfil/pf/pf_osfp.c, line 156
• usr.sbin/ppp/tcpmss.c, line 128