#include <cstdarg>
#include <cstdint>
#include <cstdlib>
#include <new>
struct Opaque;
struct Foo {
const Opaque *x;
Opaque *y;
void (*z)();
};
union Bar {
const Opaque *x;
Opaque *y;
void (*z)();
};
extern "C" {
void root(const Opaque *a, Opaque *b, Foo c, Bar d);
} // extern "C"