Defined in 3 files as a macro:

• include/uapi/linux/libc-compat.h, line 64 (as a macro)
• include/uapi/linux/libc-compat.h, line 81 (as a macro)
• include/uapi/linux/libc-compat.h, line 186 (as a macro)

Referenced in 2 files:

• include/uapi/linux/if.h, line 230
• include/uapi/linux/libc-compat.h, line 185