#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
typedef struct A A;
typedef struct B B;
typedef struct List_B {
B *members;
uintptr_t count;
} List_B;
typedef struct List_A {
A *members;
uintptr_t count;
} List_A;
void bar(List_B b);
void foo(List_A a);