#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
typedef unsigned char uchar;


int mystrcmp(const char* str1, const char* str2) {

	for (int i = 0; ; i++) {
		if ((uchar) str1[i] - (uchar) str2[i] < 0)
			return -1;
		else if ((uchar) str1[i] - (uchar) str2[i] > 0)
			return +1;

		if (str1[i] == 0 && str2[i] == 0) // || µµ µÊ (¿Ö µÉ±î »ý°¡Çغ¼ °Í)
			return 0;
	}
}

int main(void)
{
	int result;
	char str[6][10] = { "ÇÏÇÏÇÏ", "ȣȣȣ", "ÇÏÇÏÇÏÇÏ", "¾È³ç", "ȣȣȣ", "ÇÏÇÏ"};

	result = mystrcmp(str[1], str[4]);
	printf("% s - % s = %d\n", str[1], str[4], result);

	result = mystrcmp(str[0], str[5]);
	printf("% s - % s = %d\n", str[0], str[5], result);

	result = mystrcmp(str[0], str[2]);
	printf("% s - % s = %d\n", str[0], str[2], result);

	result = mystrcmp(str[1], str[3]);
	printf("% s - % s = %d\n", str[1], str[3], result);
}