#include <stdio.h>
#include <stdlib.h>

// This line tells the compiler not to add any extra bytes in the way this object
// is stored in memory.
#pragma pack(1)

typedef struct {
    int x;
    char ch;
    int y;
} Point;  // <<<<<< REMEMBER YOUR SEMICOLON AT END OF STRUCT DEFINITION

int main(int argc, char* argv[]) {

    Point p = {.x = 5, .ch = 'X', .y = 6};
    // Initially,   #pragma pack(1) --> sizeof(p) == 12
    // After adding #pragma pack(1) --> sizeof(p) == 9

    // Address of a struct object
    Point* a_p = &p;

    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */