Program to illustrate islower( ) function

    #include <iostream.h>
      #include <conio.h>
    #include <ctype.h>                // header file for islower( )

    void main ( )
    {
         char c , ans ;
         int a ;
       
         do
        {
        cout<<"\n Enter a character -" ;
        cin >>c ;
        if (islower (c) > 0)
            cout<<"\n The character is  a lower case character ." ;
        else
            cout<<"\n The character is not a lower case character." ;
        cout<<"\n Do you want to continue ? (y or n) : ";
        cin >> ans;
         }
         while ( (ans == 'y') || (ans == 'Y') ) ;
         getch();
    }