字符串搜索

const char *find_char(char const *source, char const *chars){const char *p = source;while (true){if (*p == '\0'){break;}const char *pp = chars;while (*pp != '\0'){if (*p == *pp){return chars;}pp++;}p = p + 1;}return NULL;}int _tmain(int argc, _TCHAR* argv[]){cout << *find_char("ABC", "BEFGGG") << endl;system("pause");return 0;}