Go语言视频零基础入门到精通

jspfan

#include <iostream>

using namespace std;

const char * myStrstr(const char * src, const char *sub_str)

{

for (int index = 0; src[index] != '\0'; index++)

{

int j = 0;

int temp = index;

if (src[index] == sub_str[j])

{

while (src[index++] == sub_str[j++])

{

if (sub_str[j] == '\0')

{

return &src[index - j];

}

}

index = temp;

}

}

return NULL;

}



int main()

{

char *strSrc = "123456789";

char *strSub = "34";

cout<<myStrstr(strSrc,strSub);

return 0;

}
复制代码