#include #include #include #include struct Opaque; union Normal { int32_t x; float y; }; union NormalWithZST { int32_t x; float y; }; #ifdef __cplusplus extern "C" { #endif // __cplusplus void root(struct Opaque *a, union Normal b, union NormalWithZST c); #ifdef __cplusplus } // extern "C" #endif // __cplusplus