#include <iostream>int subString(char* sSeek, char* sKey) {    char* p = sSeek;    while(*p != ‘\0‘) {        int flag = 1;        char* pKey = sKey;        char* pTarget = p;        while((*pKey != ‘\0‘) && (*pTarget!=‘\0‘)) {            if(*pKey != *pTarget) {                flag = 0;                break;            }            //---------------------------------------            pKey++;            pTarget++;        }        if(1 == flag) {            puts(p);            return (p-sSeek);        }        //---------------------------------------        p++;    }    return -1;}int main(int argc, char** argv) {    char* sKey="人民";    char* sSeek="DVD人民的名义!";    int ret = subString(sSeek, sKey);    if(ret>-1) {        printf("第%d个字符开始，有", ret);    }    return 0;}