Struct Padding

Code

#include <stdio.h>
#include <stddef.h>

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

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

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

Solving Approach

Provided by stddef library, 'offsetof' function can be used to calculatre the offset address.