Add true and false.
diff --git a/toys/false.c b/toys/false.c
new file mode 100644
index 0000000..48b9d65
--- /dev/null
+++ b/toys/false.c
@@ -0,0 +1,11 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * false.c - Return nonzero.
+ */
+
+#include "toys.h"
+
+int false_main(void)
+{
+	return 1;
+}