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#include <stddef.h>
#include "test.h"
typedef void (*Callback)(int);
typedef struct {
int a;
char b;
Callback callback;
double c;
} ComplexStruct;
void myCallback(int x) {
printf("Callback called with %d\n", x);
}
int main() {
printf("Offset of a: %zu\n", offsetof(ComplexStruct, a)); // Should be 0
printf("Offset of b: %zu\n", offsetof(ComplexStruct, b)); // Should be sizeof(int)
printf("Offset of callback: %zu\n", offsetof(ComplexStruct, callback)); // Should be sizeof(int) + sizeof(char)
printf("Offset of c: %zu\n", offsetof(ComplexStruct, c)); // Should be sizeof(int) + sizeof(char) + sizeof(Callback)
ASSERT(0, offsetof(ComplexStruct, a));
ASSERT(4, offsetof(ComplexStruct, b)); // Assuming int is 4 bytes
ASSERT(8, offsetof(ComplexStruct, callback)); // Assuming char is 1 byte
ASSERT(16, offsetof(ComplexStruct, c)); // Assuming Callback is a pointer
// Example usage
ComplexStruct cs;
cs.callback = myCallback;
cs.callback(42); // Should print "Callback called with 42"
return 0;
}
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