-#include "typesafe_cb/typesafe_cb.h"
-#include <stdlib.h>
-
-void _callback(void (*fn)(void *arg), void *arg);
-void _callback(void (*fn)(void *arg), void *arg)
-{
- fn(arg);
-}
-
-/* Callback is set up to warn if arg isn't a pointer (since it won't
- * pass cleanly to _callback's second arg. */
-#define callback(fn, arg) \
- _callback(typesafe_cb(void, (fn), (arg)), (arg))
-
-void my_callback(int something);
-void my_callback(int something)
-{
-}
-
-int main(int argc, char *argv[])
-{
-#ifdef FAIL
- /* This fails due to arg, not due to cast. */
- callback(my_callback, 100);
-#endif
- return 0;
-}