Defined in 1 files as a macro:

• include/uapi/linux/in.h, line 41 (as a macro)

Defined in 1 files as a enumerator:

• include/uapi/linux/in.h, line 40 (as a enumerator)

Referenced in 2 files:

• tools/testing/selftests/net/msg_zerocopy.c
  • line 273
  • line 289
  • line 814
• tools/testing/selftests/net/rxtimestamp.c, line 65