#include <stdio.h>
#include <string.h>
#include <wchar.h>
#include <locale.h>

/* Unicode in comments: Привет, 世界, 🌍 */

int main(void) {
    setlocale(LC_ALL, "");

    /* Unicode string literals */
    wchar_t *greeting = L"こんにちは";
    wprintf(L"%ls\n", greeting);

    /* Null byte embedded */
    char buf[] = "Hello\x00World";
    printf("Length: %zu\n", strlen(buf)); /* stops at null byte */

    /* Deeply nested structs */
    struct a { int x; };
    struct b { struct a a; };
    struct c { struct b b; };
    struct d { struct c c; };
    struct e { struct d d; };
    struct f { struct e e; };
    struct f val = {{{{{{42}}}}}};
    printf("%d\n", val.e.d.c.b.a.x);

    /* Very long function name */
    void this_is_an_extremely_long_function_name_that_goes_on_and_on_and_on(void) {
        printf("deep\n");
    }
    this_is_an_extremely_long_function_name_that_goes_on_and_on_and_on();

    /* Encoding: BOM-like byte sequences */
    unsigned char raw[] = {0xEF, 0xBB, 0xBF, 'A', 'B', 'C', 0};
    printf("%s\n", raw);

    return 0;
}