模拟实现strcmp

//模拟实现strcmp
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int my_strcmp(const char* arr1, const char* arr2)
{
	while (*arr1)
	{
		arr1++;
		arr2++;
		if (*arr1 > *arr2)
			return 1;
		else if (*arr1 < *arr2)
			return -1;
	} 
		return 0;
}
int main()
{   
	char arr1[10] = "abcd";
	char arr2[10] = "abcq";
	int ret=my_strcmp(arr1,arr2);
	if (ret > 0)
		printf("arr1大于arr2");
	else if (ret < 0)
		printf("arr1小于arr2");
	else
		printf("arr1等于arr2");
	return 0;
}