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

int main (void) {
	
    char *a = "Ｍ"; // FULLWIDTH LATIN CAPITAL LETTER M
    //char a[4] = {0xef, 0xbc, 0xad, '\0'};

    char *b = "ஐ";  // TAMIL LETTER AI
    //char b[4] = {0xe0, 0xae, 0x90, '\0'};

    setlocale(LC_ALL, "en_US.UTF-8");

    printf("%s %s\n", a, b);
    printf("%d\n", strcoll(a, b));
    return 0;
}