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#include <cstdarg>
#include <cstdint>
#include <cstdlib>
#include <ostream>
#include <new>
enum class A : uint8_t {
A_A1,
A_A2,
A_A3,
/// Must be last for serialization purposes
A_Sentinel,
};
enum class B : uint8_t {
B_B1,
B_B2,
B_B3,
/// Must be last for serialization purposes
B_Sentinel,
};
union C {
enum class Tag : uint8_t {
C_C1,
C_C2,
C_C3,
/// Must be last for serialization purposes
C_Sentinel,
};
struct C_C1_Body {
Tag tag;
uint32_t a;
};
struct C_C2_Body {
Tag tag;
uint32_t b;
};
struct {
Tag tag;
};
C_C1_Body c1;
C_C2_Body c2;
};
extern "C" {
void root(A a, B b, C c);
} // extern "C"