peek函数的用法

 #include <iostream>

 /* run this program using the console pauser or add your own getch, system("pause") or input loop */
 using namespace std;
 int main(int argc, char** argv) {
     char c[];
     int ch;
     cout<<"please enter a sentence:"<<endl;
     cin.getline(c,,'/');
     cout<<"The first part is:"<<c<<endl;
     ch=cin.peek();
     cout<<"The next character(ASCII code) is:"<<ch<<endl;
     cin.putback(c[]);
     cin.getline(c,,'/');
     cout<<"The second part is:"<<c<<endl;
     return ;
 }