wykorzystanie uni do wypisania bitów składowych

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

union bit_set
{
    unsigned char Char;
    unsigned char x:1; //wersja 2
    bool one_bit[8]; //wesja 1
};

int main()
{

    union bit_set myUnion;
    union bit_set *p_to_union = &myUnion;
    printf("Podaj liczbe: ");
    int check = scanf("%c", &(p_to_union->Char));
    while (check!=1)
    {
        printf("Incorrect input\n");
        return 1;
    }

//wersja 1
    for(int i = 0; i<8; i++)
    {
        printf("%d ", (unsigned char)*(p_to_union->one_bit+i));
    }

    printf("\n");

//wersja 2
    for(int i = 0; i<8; i++)
    {
        printf("%d ", (unsigned char)(p_to_union->x+i));
    }

    printf("\n");

    return 0;
}

union bit_set
{
    unsigned char Char;
    struct
    {
        unsigned char bit1 : 1;
        unsigned char bit2 : 1;
        unsigned char bit3 : 1;
        unsigned char bit4 : 1;
        unsigned char bit5 : 1;
        unsigned char bit6 : 1;
        unsigned char bit7 : 1;
        unsigned char bit8 : 1;
    }u;
};

int main()
{

    union bit_set myUnion;
    union bit_set *p_to_union = &myUnion;
    printf("Podaj liczbe: ");
    int check = scanf("%c", &(p_to_union->Char));
    while (check!=1)
    {
        printf("Incorrect input\n");
        return 1;
    }

    p_to_union->Char -= '0';

    printf("%d ", (p_to_union->u.bit8));
    printf("%d ", (p_to_union->u.bit7));
    printf("%d ", (p_to_union->u.bit6));
    printf("%d ", (p_to_union->u.bit5));
    printf("%d ", (p_to_union->u.bit4));
    printf("%d ", (p_to_union->u.bit3));
    printf("%d ", (p_to_union->u.bit2));
    printf("%d ", (p_to_union->u.bit1));

    printf("\n");