--- /dev/null
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include <ccan/order/order.h>
+
+#include "fancy_cmp.h"
+
+int main(int argc, char *argv[])
+{
+ total_order_cb(cb0, struct item, struct cmp_info *) = fancy_cmp;
+ _total_order_cb cb1 = total_order_cast(fancy_cmp,
+ struct item, struct cmp_info *);
+ total_order_noctx_cb cb_noctx = fancy_cmp_noctx;
+
+ printf("%p %p %p\n", cb0, cb1, cb_noctx);
+
+ exit(0);
+}