Defined in 2 files as a macro:

• include/uapi/linux/if_tun.h, line 79 (as a macro)
• tools/include/uapi/linux/if_tun.h, line 77 (as a macro)

Referenced in 6 files:

• arch/um/drivers/vector_user.c
  • line 146
  • line 593
• drivers/net/tap.c
  • line 31
  • line 278
  • line 476
  • line 590
  • line 713
  • line 1059
• drivers/net/tun.c
  • line 100
  • line 1812
  • line 2095
  • line 2129
  • line 2453
• tools/testing/selftests/net/tap.c, line 209
• tools/testing/selftests/net/tun.c, line 735
• tools/virtio/vhost_net_test.c, line 74