Defined in 1 files as a macro:

• include/uapi/linux/if_tun.h, line 40 (as a macro)

Referenced in 4 files:

• arch/um/drivers/vector_user.c, line 145
• drivers/net/tap.c, line 1079
• drivers/net/tun.c, line 3191
• samples/mic/mpssd/mpssd.c, line 248