项目开发字符串模型strstr_while

#define  _CRT_SECURE_NO_WARNINGS 
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

void main71()
{
    char a[] = "i am a student";
    char b[64];
    int  i = 0;

    for (i=0; *(a+i) != '