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

#define log_size(n) printf("sizeof(%s) == %ld\n", #n, sizeof(n))

#pragma pack(push)  // save the original data alignment
#pragma pack(1)     // Set data alignment to 1 byte boundary
typedef struct { // exactly 5 bytes
    int value;       // 4 bytes
    bool is_success; // 1 bytes
} Result;

#pragma pack(pop) // restore the previous pack setting

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

    Result result = { .value = 0x1234567, .is_success = true };
    FILE* file = fopen("result_packed.bin", "wb");
    fwrite(&result, sizeof(result), 1, file);
    fclose(file);


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