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typedef struct
{
int a;
int b;
}Main_Data;
typedef struct
{
char a;
char b;
}Fun_Data;
#include "main.h"
extern fun_1(Main_Data a,Fun_Data b);
#include "main.h"
extern fun_2(Main_Data a,Fun_Data b);
#include "main.h"
#include "fun_1.h"
#include "fun_2.h"
int main()
{
Main_Data a;
Fun_Data b;
fun_1(a,b);
fun_2(a,b);
}