Makefile, true(1), false(1): ported true and false back to C for simplicity and size

src/true.c

@@ -0,0 +1,9 @@
+/*
+ * Copyright (c) 2023 Emma Tebibyte <emma@tebibyte.media>
+ * SPDX-License-Identifier: CC0
+ *
+ * This work is marked with CC0 1.0. To view a copy of this license, visit
+ * <http://creativecommons.org/publicdomain/zero/1.0>.
+ */
+
+int main() {}