#include<iostream.h>
#include<string.h>
#include<fstream.h>
#include<conio.h>
main()
{
 // opening a file for reading
 ifstream in ("d:/programming/text.txt");
 if(!in)
 {
  cout<<"cannot open text \n";
  return 0;
 }
 char line[80];
 char* p;
 //opening a file for writing
  ofstream out("d:/programming/match.txt");
           if(!out){
                    cout<<"cannot open match";
                    return 1;                                      
           }
 do{
 
  in.getline(line,80);//getting the line from the file to be read
  p=strtok(line," " );//tokenising the file
  while(p){
  out<<p<<"\n";//putting all the tokens in the file for writing
  p=strtok(NULL," ");
        }
 }while (in);
 out.close();
 in.close();
 char line1[80];
 char line2[80];
 bool eof();
 ifstream in1 ("d:/programming/whitelist.txt");
 if(!in1)
 {
  cout<<"cannot open whitelist \n";
  return 1;
 }
 ifstream in2 ("d:/programming/match.txt");
 if(!in2)
 {
  cout<<"cannot open match \n";
  return 0;
 }
 do{
  in1.getline(line1,80);// get the tokens from the file 
        cout<<"line1="<<line1<<"\n";
        do{  
       in2.getline(line2,80); // get the token from the data base 
             cout<<"line2="<<line2<<"\n";
             int p1=strcmp(line1,line2);//compare 
       if(p1==0)
             {
                      cout<<"match \n";
             }
         else{cout<<"no \n";}     
  }while (in2 );
  cout<<"over\n";
 }while (in1 );
 
 
 in1.close();
 in2.close();
 getch();
 return 0;
}

#include <iostream>
#include <fstream>
#include <string>
#include <algorithm>
using namespace std;
 
 
int main()
{
	string word;
	// stay in the loop until you press Ctrl+Z <Enter>
	while( cin >> word )
	{
		// convert the word to lower-case
		transform(word.begin(),word.end(),word.begin(),::tolower);
		// now find the word in the database (not shown here)
		cout << word << endl;
	}
	cout << "done " << endl;
	return 0;
}