+/* Override various tallocation functions. */
+#undef talloc
+#undef talloc_zero
+#undef talloc_array
+#define talloc(ctx, type) mayfail_alloc((ctx), sizeof(type))
+#define talloc_zero(ctx, type) mayfail_alloc((ctx), sizeof(type))
+#define talloc_array(ctx, type, num) mayfail_alloc((ctx), sizeof(type)*(num))
+
+#include <ccan/rfc822/rfc822.c>
+
+#include "testdata.h"
+