singletons 424 fs/unicode/mkutf8data.c int nodes, singletons, leaves; singletons 426 fs/unicode/mkutf8data.c nodes = singletons = leaves = 0; singletons 446 fs/unicode/mkutf8data.c singletons += 1; singletons 486 fs/unicode/mkutf8data.c nodes, leaves, singletons);