__UAPI_DEF_IN_CLASS  244 include/uapi/linux/in.h #if __UAPI_DEF_IN_CLASS
__UAPI_DEF_IN_CLASS  213 include/uapi/linux/libc-compat.h #ifndef __UAPI_DEF_IN_CLASS
__UAPI_DEF_IN_CLASS  244 tools/include/uapi/linux/in.h #if __UAPI_DEF_IN_CLASS