【C语言】【笔试题】模拟实现strstr函数

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<assert.h>
#include<stdlib.h>
char *my_strstr(char *dst,  char *src)
{
assert(dst);
assert(src);
char *p = dst;
char *s1 = p;
char *s2 = src;
while (*s1)
{
s1 = p;
s2 = src;
while ((*s1!='\0')&&(*s2 != '\0'))
{
if (*s1++ == *s2++)
{
;
}
else
{
p++;
break;
}
}
if (*s2 == '\0')
{
return p;
}
}
}
int main()
{
char *str1 = "abbbcdef";
char *str2 = "bbcd";
char *ret = my_strstr(str1, str2);
printf("%s\n", ret);
system("pause");
return 0;
}