#include <iostream>
#include <ctype.h>
using namespace std;
int main()
{
cout << "Glede na islower:" << endl
<< (islower('p') ? "p je" : "p ni")
<< " majhna crka" << endl
<< (islower('P') ? "P je" : "P ni")
<< " majhna crka" << endl
<< (islower('5') ? "5 je" : "5 ni")
<< " majhna crka" << endl
<< (islower('!') ? "! je" : "! ni")
<< " majhna crka" << endl;
cout << endl << "Glede na isupper:" << endl
<< (isupper('D') ? "D je" : "D ni")
<< " velika crka" << endl
<< (isupper('d') ? "d je" : "d ni")
<< " velika crka" << endl
<< (isupper('8') ? "8 je" : "8 ni")
<< " velika crka" << endl
<< (isupper('$') ? "$ je" : "$ ni")
<< " velika crka" << endl;
cout << endl << "u, pretvorjen v veliko crko, je "
<< (char) toupper('u') << endl
<< "7, pretvorjena v veliko crko, je "
<< (char) toupper('7') << endl
<< "$, pretvorjen v veliko crko, je "
<< (char) toupper('$') << endl
<< "L, pretvorjen v majhno crko, je "
<< (char) tolower('L') << endl;
system("pause");
return 0;
}