punctuation.cpp

C++ primer 书中例题代码puncutation

#include <iostream>
#include <string.h>
using namespace std;
int main()
{
     string s("Hello World!!");
     string::size_type punct_cnt = 0;
     for(string::size_type index = 0; index != s.size(); ++index)
             if(ispunct(s[index]))
                     ++punct_cnt;
     cout << punct_cnt << " punctuations characters in " << s << endl;
     return 0;
}