test_10_28.c

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<assert.h>
int my_strcmp(const char* s1, const char* s2)
{
	assert(s1);
	assert(s2);
	while (*s1 == *s2)
	{
		if (*s1 == '\0')
		{
			return 0;
		}
		s1++;
		s2++;
	}
	return *s1 - *s2;
}