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

int main(int argc, char* argv[]) {
    char s[] = { 'A', '\xaa', 'O', '\0', 'B', '\xbb' };
    printf("s[0] == 0x%02x\n", (unsigned char) s[0]);
    printf("s[1] == 0x%02x\n", (unsigned char) s[1]);
    printf("s[2] == 0x%02x\n", (unsigned char) s[2]);
    printf("s[3] == 0x%02x\n", (unsigned char) s[3]);
    printf("s[4] == 0x%02x\n", (unsigned char) s[4]);
    printf("s[5] == 0x%02x\n", (unsigned char) s[5]);

    FILE* fp = fopen("y.txt", "w");
    size_t num_chars = sizeof(s) / sizeof(s[0]);
    for(int i = 0; i < num_chars; i++) {
        fputc(s[i], fp);
    }
    fclose(fp);
    
    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */