//a prog. displaying all ctype.h functions
#include<iostream>
#include<conio.h>
#include<ctype.h>
using namespace std;
int main()
{
char ch,ch1;
cout<<endl<<endl;
cout<<"*****************************************************************************";
cout<<endl<<endl;
cout<<"ENTER CHARACTER:";
cin>>ch;
if(isalnum(ch))
{
if(isdigit(ch))
{
cout<<"digit";
}
else if(isalpha(ch))

{
cout<<"ALPHABET"<<endl;
if(isupper(ch))
{
cout<<"UPPERCASE"<<endl;
}
else if(islower(ch))
{
cout<<"LOWERCASE"<<endl;
}
}
}

else
cout<<"special character";
cout<<"\n*****************************************************************************";
getch();
return 0;
}