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#include <stddef.h>
#include "test.h"
typedef void (*Func1)(void);
typedef void (*Func2)(int);
typedef int (*Func3)(int);
typedef struct {
Func1 func1;
Func2 func2;
Func3 func3;
} FunctionStruct;
void myFunc1(void) {
printf("Func1 called!\n");
}
void myFunc2(int x) {
printf("Func2 called with %d!\n", x);
}
int myFunc3(int x) {
return x * 2;
}
int main() {
printf("Offset of func1: %zu\n", offsetof(FunctionStruct, func1)); // Should be 0
ASSERT(0, offsetof(FunctionStruct, func1));
printf("Offset of func2: %zu\n", offsetof(FunctionStruct, func2)); // Should be sizeof(Func1)
ASSERT(8, offsetof(FunctionStruct, func2) );
printf("Offset of func3: %zu\n", offsetof(FunctionStruct, func3)); // Should be sizeof(Func1) + sizeof(Func2)
ASSERT(16, offsetof(FunctionStruct, func3));
// Example usage
FunctionStruct fs;
fs.func1 = myFunc1;
fs.func2 = myFunc2;
fs.func3 = myFunc3;
fs.func1(); // Should print "Func1 called!"
fs.func2(10); // Should print "Func2 called with 10!"
printf("Func3 result: %d\n", fs.func3(5)); // Should print "Func3 result: 10"
ASSERT(10, fs.func3(5));
return 0;
}
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