Defined in 1 files as a macro:

• include/uapi/linux/udp.h, line 31 (as a macro)

Referenced in 2 files:

• net/ipv4/udp.c
  • line 2606
  • line 2729
• tools/testing/selftests/net/msg_zerocopy.c
  • line 235
  • line 253