78. Struct Padding

#include <stdio.h>

#define offset(type, member) ((size_t)&(((type*)0)->member))

typedef struct {
    char a;
    int b;
    short c;
} MyStruct;

void print_offsets() {
    printf("Offset of a: %lu\n", offset(MyStruct, a));
    printf("Offset of b: %lu\n", offset(MyStruct, b));
    printf("Offset of c: %lu\n", offset(MyStruct, c));
    printf("Size: %lu\n", sizeof(MyStruct));
}

int main() {
    print_offsets();
    return 0;
}