Defined in 3 files as a member:

• external/bsd/ipf/bin/ipsend/tcpip.h, line 43 (as a member)
• external/bsd/ipf/dist/ipsd/Celler/ip_compat.h, line 127 (as a member)
• sys/netinet/ip_var.h, line 45 (as a member)

Referenced in 6 files:

• external/bsd/ipf/bin/ipsend/tcpip.h, line 71
• sys/arch/mips/mips/in_cksum.c, line 297
• sys/arch/powerpc/powerpc/in_cksum.c, line 260
• sys/netinet/tcp_subr.c, line 516
• sys/netinet/tcp_var.h, line 176
• sys/netinet/udp_var.h, line 48