#include <stdio.h>
typedef struct {
char a;
int b;
short c;
} MyStruct;
void print_offsets() {
MyStruct hey = {'A', 10, 20};
size_t offset_a = (char*)&(hey.a)-(char*)&(hey);
size_t offset_b = (char*)&(hey.b)-(char*)&hey;
size_t offset_c = (char*)&(hey.c)-(char*)&hey;
size_t mystruct = sizeof(hey);
printf("Offset of a: %zu\n", offset_a);
printf("Offset of b: %zu\n", offset_b);
printf("Offset of c: %zu\n", offset_c);
printf("Size: %zu", mystruct);
}
int main() {
print_offsets();
return 0;
}