#include <iostream>
using namespace std;
typedef struct __attribute__ ((__packed__)) {
char a;
int b;
char c;
} struct_t;
int main() {
std::cout << sizeof(struct_t) << '\n';
struct_t sa, sb, sc;
std::cout << &sa << ", " << &sb << ", " << &sc << '\n';
return 0;
}
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