C-strstr函数

strstr()函数用来检索子串在字符串中首次出现的位置，其原型为：
char strstr( char *str, char substr );

#include <iostream>#include <string.h>using namespace std;int main( ){   char *a = "licheng:beijing";  char *p = strstr(a,":");  cout << p <<endl;  system("pause");}