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

int main(int argc, char* argv[], char* envp[])
{
    int     count;
    size_t  i;
    char u8hello[] = u8"Hëllö";
    printf("%s\n0x", u8hello);
    for (i = 0; i < strlen(u8hello); i++)
        printf("%02hhX", u8hello[i]);

    for (count = 1; count < argc; count++)
    {
        printf("\n%s\n0x", argv[count]);
        for (i = 0; i < strlen(argv[count]); i++)
            printf("%02hhX", argv[count][i]);
    }
}