Defined in 1 files as a prototype:

• bsd/netinet/in_var.h, line 518 (as a prototype)

Defined in 1 files as a function:

• bsd/netinet/ip_input.c, line 1712 (as a function)

Referenced in 3 files:

• bsd/net/pf.c, line 4875
• bsd/netinet/in_proto.c, line 339
• bsd/netinet/ip_input.c, line 1619