Forum: C++, cctype

 
#include <iostream>
#include <cctype>
#include <string>
 
using namespace std;
 
int main()
{
    cout << "Skriv in ord, avsluta med @:\n";
 
    char ch;
    string str;
 
    while (cin.get(ch))
    {
          if (isalpha(ch) ||
             ch == 'å' || ch == 'ä' || ch == 'ö' ||
             ch == '...' || ch == ',,' || ch == '-')
 
          {
 
                if (isupper(ch) ||
                   ch == '...' || ch == ',,' || ch == '-')
                   tolower(ch);
 
                else if (islower(ch) ||
                        ch == 'å' || ch == 'ä' || ch == 'ö')
                        toupper(ch);
          }
          if (ch == '@')
             break;
 
          str += ch;
    }
 
    cout << str;
 
    cin.get();
    cin.get();
 
    return 0;
}