// This program demonstrates some character testing functions.
#include <iostream>
#include <cctype>
using namespace std;

int main()
{
   char input;

   cout << "Enter any character: ";
   cin.get(input);
   cout << "The character you entered is: " << input << endl;
   if (isalpha(input))
      cout << "That's an alphabetic character.\n";
   if (isdigit(input))
      cout << "That's a numeric digit.\n";
   if (islower(input))
      cout << "The letter you entered is lowercase.\n";
   if (isupper(input))
      cout << "The letter you entered is uppercase.\n";
   if (isspace(input))
      cout << "That's a whitespace character.\n";
   return 0;
}