#include <stdio.h>
typedef struct {
char a;
int b;
short c;
} MyStruct;
void print_offsets() {
MyStruct res;
MyStruct *ptr = &res;
printf("Offset of a: %lu\n" ,ptr - ptr);
printf("Offset of b: %d\n" ,(ptr + 4) - ptr );
printf("Offset of c: %lu\n" ,(ptr + 8) - ptr );
printf("Size: %lu" ,sizeof(*ptr) );
}
int main() {
print_offsets();
return 0;
}