#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>

enum C {
  X = 2,
  Y,
};
typedef uint32_t C;

struct A {
  int32_t m0;
};

struct B {
  int32_t x;
  float y;
};

enum F_Tag {
  Foo,
  Bar,
  Baz,
};
typedef uint8_t F_Tag;

struct Bar_Body {
  F_Tag tag;
  uint8_t x;
  int16_t y;
};

union F {
  F_Tag tag;
  struct {
    F_Tag foo_tag;
    int16_t foo;
  };
  struct Bar_Body bar;
};

enum H_Tag {
  Hello,
  There,
  Everyone,
};
typedef uint8_t H_Tag;

struct There_Body {
  uint8_t x;
  int16_t y;
};

struct H {
  H_Tag tag;
  union {
    struct {
      int16_t hello;
    };
    struct There_Body there;
  };
};

void root(struct A x, struct B y, C z, union F f, struct H h);